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Element Folio

Category: Elements & Periodic Table

Element profiles, periodic trends, groups and periodic-table reference guides.

  • Meitnerium (Mt): Properties, Uses and Periodic Table Guide

    Periodic Table Guide

    Meitnerium (Mt) has atomic number 109 and is classified as a transition metal. It sits in Group 9, period 7 of the periodic table. Its practical relevance includes superheavy-element research with no bulk engineering application.

    Quick facts

    Atomic number 109 Symbol Mt
    Relative atomic mass [278] State at room temperature Not established (synthetic)
    Group 9 Period 7
    Classification transition metal Block d-block

    Position in the periodic table

    Transition metals occupy the d-block and are central to structural alloys, catalysis, electrical systems and high-temperature engineering. Many display multiple oxidation states and form useful intermetallics or complex alloys.

    Meitnerium belongs to period 7. Its position helps explain recurring trends such as atomic size, bonding behavior, oxidation states and the way it interacts with neighboring elements.

    Why Meitnerium matters

    In engineering and technology, meitnerium is associated with superheavy-element research with no bulk engineering application. The importance of the element may come from the pure element itself, from compounds containing it, or from its role as an alloying, electronic, catalytic or nuclear material.

    Engineering and scientific context

    Material behavior should never be inferred from the element name alone. Purity, isotope composition, crystal structure, processing history, temperature and the surrounding chemical environment can all change performance. In alloys and compounds, the contribution of meitnerium depends on concentration and interaction with the other constituents.

    Safety and handling

    Meitnerium is radioactive, so any practical work involving it requires specialist radiological controls, approved facilities and isotope-specific procedures.

    Related elements

    Cobalt (Co) · Rhodium (Rh) · Iridium (Ir) · Hassium (Hs)

    Reference sources

    For authoritative element data and current standard atomic-weight guidance, consult the Royal Society of Chemistry Periodic Table and the IUPAC Periodic Table of the Elements.

    Continue exploring: Periodic Table · Materials Library · Material Properties · Comparisons

  • Darmstadtium (Ds): Properties, Uses and Periodic Table Guide

    Periodic Table Guide

    Darmstadtium (Ds) has atomic number 110 and is classified as a transition metal. It sits in Group 10, period 7 of the periodic table. Its practical relevance includes superheavy-element research with no bulk engineering application.

    Quick facts

    Atomic number 110 Symbol Ds
    Relative atomic mass [281] State at room temperature Not established (synthetic)
    Group 10 Period 7
    Classification transition metal Block d-block

    Position in the periodic table

    Transition metals occupy the d-block and are central to structural alloys, catalysis, electrical systems and high-temperature engineering. Many display multiple oxidation states and form useful intermetallics or complex alloys.

    Darmstadtium belongs to period 7. Its position helps explain recurring trends such as atomic size, bonding behavior, oxidation states and the way it interacts with neighboring elements.

    Why Darmstadtium matters

    In engineering and technology, darmstadtium is associated with superheavy-element research with no bulk engineering application. The importance of the element may come from the pure element itself, from compounds containing it, or from its role as an alloying, electronic, catalytic or nuclear material.

    Engineering and scientific context

    Material behavior should never be inferred from the element name alone. Purity, isotope composition, crystal structure, processing history, temperature and the surrounding chemical environment can all change performance. In alloys and compounds, the contribution of darmstadtium depends on concentration and interaction with the other constituents.

    Safety and handling

    Darmstadtium is radioactive, so any practical work involving it requires specialist radiological controls, approved facilities and isotope-specific procedures.

    Related elements

    Nickel (Ni) · Palladium (Pd) · Platinum (Pt) · Meitnerium (Mt)

    Reference sources

    For authoritative element data and current standard atomic-weight guidance, consult the Royal Society of Chemistry Periodic Table and the IUPAC Periodic Table of the Elements.

    Continue exploring: Periodic Table · Materials Library · Material Properties · Comparisons

  • Roentgenium (Rg): Properties, Uses and Periodic Table Guide

    Periodic Table Guide

    Roentgenium (Rg) has atomic number 111 and is classified as a transition metal. It sits in Group 11, period 7 of the periodic table. Its practical relevance includes superheavy-element research with no bulk engineering application.

    Quick facts

    Atomic number 111 Symbol Rg
    Relative atomic mass [282] State at room temperature Not established (synthetic)
    Group 11 Period 7
    Classification transition metal Block d-block

    Position in the periodic table

    Transition metals occupy the d-block and are central to structural alloys, catalysis, electrical systems and high-temperature engineering. Many display multiple oxidation states and form useful intermetallics or complex alloys.

    Roentgenium belongs to period 7. Its position helps explain recurring trends such as atomic size, bonding behavior, oxidation states and the way it interacts with neighboring elements.

    Why Roentgenium matters

    In engineering and technology, roentgenium is associated with superheavy-element research with no bulk engineering application. The importance of the element may come from the pure element itself, from compounds containing it, or from its role as an alloying, electronic, catalytic or nuclear material.

    Engineering and scientific context

    Material behavior should never be inferred from the element name alone. Purity, isotope composition, crystal structure, processing history, temperature and the surrounding chemical environment can all change performance. In alloys and compounds, the contribution of roentgenium depends on concentration and interaction with the other constituents.

    Safety and handling

    Roentgenium is radioactive, so any practical work involving it requires specialist radiological controls, approved facilities and isotope-specific procedures.

    Related elements

    Copper (Cu) · Silver (Ag) · Gold (Au) · Darmstadtium (Ds)

    Reference sources

    For authoritative element data and current standard atomic-weight guidance, consult the Royal Society of Chemistry Periodic Table and the IUPAC Periodic Table of the Elements.

    Continue exploring: Periodic Table · Materials Library · Material Properties · Comparisons

  • Copernicium (Cn): Properties, Uses and Periodic Table Guide

    Periodic Table Guide

    Copernicium (Cn) has atomic number 112 and is classified as a transition metal. It sits in Group 12, period 7 of the periodic table. Its practical relevance includes superheavy-element research focused on relativistic chemistry and nuclear stability.

    Quick facts

    Atomic number 112 Symbol Cn
    Relative atomic mass [285] State at room temperature Not established (synthetic)
    Group 12 Period 7
    Classification transition metal Block d-block

    Position in the periodic table

    Transition metals occupy the d-block and are central to structural alloys, catalysis, electrical systems and high-temperature engineering. Many display multiple oxidation states and form useful intermetallics or complex alloys.

    Copernicium belongs to period 7. Its position helps explain recurring trends such as atomic size, bonding behavior, oxidation states and the way it interacts with neighboring elements.

    Why Copernicium matters

    In engineering and technology, copernicium is associated with superheavy-element research focused on relativistic chemistry and nuclear stability. The importance of the element may come from the pure element itself, from compounds containing it, or from its role as an alloying, electronic, catalytic or nuclear material.

    Engineering and scientific context

    Material behavior should never be inferred from the element name alone. Purity, isotope composition, crystal structure, processing history, temperature and the surrounding chemical environment can all change performance. In alloys and compounds, the contribution of copernicium depends on concentration and interaction with the other constituents.

    Safety and handling

    Copernicium is radioactive, so any practical work involving it requires specialist radiological controls, approved facilities and isotope-specific procedures.

    Related elements

    Zinc (Zn) · Cadmium (Cd) · Mercury (Hg) · Roentgenium (Rg)

    Reference sources

    For authoritative element data and current standard atomic-weight guidance, consult the Royal Society of Chemistry Periodic Table and the IUPAC Periodic Table of the Elements.

    Continue exploring: Periodic Table · Materials Library · Material Properties · Comparisons

  • Nihonium (Nh): Properties, Uses and Periodic Table Guide

    Periodic Table Guide

    Nihonium (Nh) has atomic number 113 and is classified as a post-transition metal. It sits in Group 13, period 7 of the periodic table. Its practical relevance includes superheavy-element research with no bulk engineering application.

    Quick facts

    Atomic number 113 Symbol Nh
    Relative atomic mass [286] State at room temperature Not established (synthetic)
    Group 13 Period 7
    Classification post-transition metal Block p-block

    Position in the periodic table

    Post-transition metals lie mainly in the p-block and often combine metallic conductivity with comparatively low melting points or distinctive alloying behavior. Their applications span electronics, solders, coatings and specialized process materials.

    Nihonium belongs to period 7. Its position helps explain recurring trends such as atomic size, bonding behavior, oxidation states and the way it interacts with neighboring elements.

    Why Nihonium matters

    In engineering and technology, nihonium is associated with superheavy-element research with no bulk engineering application. The importance of the element may come from the pure element itself, from compounds containing it, or from its role as an alloying, electronic, catalytic or nuclear material.

    Engineering and scientific context

    Material behavior should never be inferred from the element name alone. Purity, isotope composition, crystal structure, processing history, temperature and the surrounding chemical environment can all change performance. In alloys and compounds, the contribution of nihonium depends on concentration and interaction with the other constituents.

    Safety and handling

    Nihonium is radioactive, so any practical work involving it requires specialist radiological controls, approved facilities and isotope-specific procedures.

    Related elements

    Boron (B) · Aluminum (Al) · Gallium (Ga) · Copernicium (Cn)

    Reference sources

    For authoritative element data and current standard atomic-weight guidance, consult the Royal Society of Chemistry Periodic Table and the IUPAC Periodic Table of the Elements.

    Continue exploring: Periodic Table · Materials Library · Material Properties · Comparisons

  • Flerovium (Fl): Properties, Uses and Periodic Table Guide

    Periodic Table Guide

    Flerovium (Fl) has atomic number 114 and is classified as a post-transition metal. It sits in Group 14, period 7 of the periodic table. Its practical relevance includes superheavy-element research focused on nuclear stability and unusual heavy-element chemistry.

    Quick facts

    Atomic number 114 Symbol Fl
    Relative atomic mass [289] State at room temperature Not established (synthetic)
    Group 14 Period 7
    Classification post-transition metal Block p-block

    Position in the periodic table

    Post-transition metals lie mainly in the p-block and often combine metallic conductivity with comparatively low melting points or distinctive alloying behavior. Their applications span electronics, solders, coatings and specialized process materials.

    Flerovium belongs to period 7. Its position helps explain recurring trends such as atomic size, bonding behavior, oxidation states and the way it interacts with neighboring elements.

    Why Flerovium matters

    In engineering and technology, flerovium is associated with superheavy-element research focused on nuclear stability and unusual heavy-element chemistry. The importance of the element may come from the pure element itself, from compounds containing it, or from its role as an alloying, electronic, catalytic or nuclear material.

    Engineering and scientific context

    Material behavior should never be inferred from the element name alone. Purity, isotope composition, crystal structure, processing history, temperature and the surrounding chemical environment can all change performance. In alloys and compounds, the contribution of flerovium depends on concentration and interaction with the other constituents.

    Safety and handling

    Flerovium is radioactive, so any practical work involving it requires specialist radiological controls, approved facilities and isotope-specific procedures.

    Related elements

    Carbon (C) · Silicon (Si) · Germanium (Ge) · Nihonium (Nh)

    Reference sources

    For authoritative element data and current standard atomic-weight guidance, consult the Royal Society of Chemistry Periodic Table and the IUPAC Periodic Table of the Elements.

    Continue exploring: Periodic Table · Materials Library · Material Properties · Comparisons

  • Moscovium (Mc): Properties, Uses and Periodic Table Guide

    Periodic Table Guide

    Moscovium (Mc) has atomic number 115 and is classified as a post-transition metal. It sits in Group 15, period 7 of the periodic table. Its practical relevance includes superheavy-element research with no bulk engineering application.

    Quick facts

    Atomic number 115 Symbol Mc
    Relative atomic mass [290] State at room temperature Not established (synthetic)
    Group 15 Period 7
    Classification post-transition metal Block p-block

    Position in the periodic table

    Post-transition metals lie mainly in the p-block and often combine metallic conductivity with comparatively low melting points or distinctive alloying behavior. Their applications span electronics, solders, coatings and specialized process materials.

    Moscovium belongs to period 7. Its position helps explain recurring trends such as atomic size, bonding behavior, oxidation states and the way it interacts with neighboring elements.

    Why Moscovium matters

    In engineering and technology, moscovium is associated with superheavy-element research with no bulk engineering application. The importance of the element may come from the pure element itself, from compounds containing it, or from its role as an alloying, electronic, catalytic or nuclear material.

    Engineering and scientific context

    Material behavior should never be inferred from the element name alone. Purity, isotope composition, crystal structure, processing history, temperature and the surrounding chemical environment can all change performance. In alloys and compounds, the contribution of moscovium depends on concentration and interaction with the other constituents.

    Safety and handling

    Moscovium is radioactive, so any practical work involving it requires specialist radiological controls, approved facilities and isotope-specific procedures.

    Related elements

    Nitrogen (N) · Phosphorus (P) · Arsenic (As) · Flerovium (Fl)

    Reference sources

    For authoritative element data and current standard atomic-weight guidance, consult the Royal Society of Chemistry Periodic Table and the IUPAC Periodic Table of the Elements.

    Continue exploring: Periodic Table · Materials Library · Material Properties · Comparisons

  • Livermorium (Lv): Properties, Uses and Periodic Table Guide

    Periodic Table Guide

    Livermorium (Lv) has atomic number 116 and is classified as a post-transition metal. It sits in Group 16, period 7 of the periodic table. Its practical relevance includes superheavy-element research with no bulk engineering application.

    Quick facts

    Atomic number 116 Symbol Lv
    Relative atomic mass [293] State at room temperature Not established (synthetic)
    Group 16 Period 7
    Classification post-transition metal Block p-block

    Position in the periodic table

    Post-transition metals lie mainly in the p-block and often combine metallic conductivity with comparatively low melting points or distinctive alloying behavior. Their applications span electronics, solders, coatings and specialized process materials.

    Livermorium belongs to period 7. Its position helps explain recurring trends such as atomic size, bonding behavior, oxidation states and the way it interacts with neighboring elements.

    Why Livermorium matters

    In engineering and technology, livermorium is associated with superheavy-element research with no bulk engineering application. The importance of the element may come from the pure element itself, from compounds containing it, or from its role as an alloying, electronic, catalytic or nuclear material.

    Engineering and scientific context

    Material behavior should never be inferred from the element name alone. Purity, isotope composition, crystal structure, processing history, temperature and the surrounding chemical environment can all change performance. In alloys and compounds, the contribution of livermorium depends on concentration and interaction with the other constituents.

    Safety and handling

    Livermorium is radioactive, so any practical work involving it requires specialist radiological controls, approved facilities and isotope-specific procedures.

    Related elements

    Oxygen (O) · Sulfur (S) · Selenium (Se) · Moscovium (Mc)

    Reference sources

    For authoritative element data and current standard atomic-weight guidance, consult the Royal Society of Chemistry Periodic Table and the IUPAC Periodic Table of the Elements.

    Continue exploring: Periodic Table · Materials Library · Material Properties · Comparisons

  • Tennessine (Ts): Properties, Uses and Periodic Table Guide

    Periodic Table Guide

    Tennessine (Ts) has atomic number 117 and is classified as a halogen. It sits in Group 17, period 7 of the periodic table. Its practical relevance includes superheavy-element research focused on the chemistry of the heaviest halogen-group element.

    Quick facts

    Atomic number 117 Symbol Ts
    Relative atomic mass [294] State at room temperature Not established (synthetic)
    Group 17 Period 7
    Classification halogen Block p-block

    Position in the periodic table

    Halogens are reactive p-block elements that commonly form -1 ions and many important salts or organic compounds. Their industrial value is substantial, but elemental forms and some compounds can require strict corrosion, toxicity or containment controls.

    Tennessine belongs to period 7. Its position helps explain recurring trends such as atomic size, bonding behavior, oxidation states and the way it interacts with neighboring elements.

    Why Tennessine matters

    In engineering and technology, tennessine is associated with superheavy-element research focused on the chemistry of the heaviest halogen-group element. The importance of the element may come from the pure element itself, from compounds containing it, or from its role as an alloying, electronic, catalytic or nuclear material.

    Engineering and scientific context

    Material behavior should never be inferred from the element name alone. Purity, isotope composition, crystal structure, processing history, temperature and the surrounding chemical environment can all change performance. In alloys and compounds, the contribution of tennessine depends on concentration and interaction with the other constituents.

    Safety and handling

    Tennessine is radioactive, so any practical work involving it requires specialist radiological controls, approved facilities and isotope-specific procedures.

    Related elements

    Fluorine (F) · Chlorine (Cl) · Bromine (Br) · Livermorium (Lv)

    Reference sources

    For authoritative element data and current standard atomic-weight guidance, consult the Royal Society of Chemistry Periodic Table and the IUPAC Periodic Table of the Elements.

    Continue exploring: Periodic Table · Materials Library · Material Properties · Comparisons

  • Oganesson (Og): Properties, Uses and Periodic Table Guide

    Periodic Table Guide

    Oganesson (Og) has atomic number 118 and is classified as a noble gas. It sits in Group 18, period 7 of the periodic table. Its practical relevance includes superheavy-element research focused on extreme relativistic and nuclear effects.

    Quick facts

    Atomic number 118 Symbol Og
    Relative atomic mass [294] State at room temperature Not established (synthetic)
    Group 18 Period 7
    Classification noble gas Block p-block

    Position in the periodic table

    Noble gases have filled valence shells and are relatively unreactive under ordinary conditions. Their inertness is valuable in lighting, welding, semiconductor processing, cryogenics and scientific instrumentation.

    Oganesson belongs to period 7. Its position helps explain recurring trends such as atomic size, bonding behavior, oxidation states and the way it interacts with neighboring elements.

    Why Oganesson matters

    In engineering and technology, oganesson is associated with superheavy-element research focused on extreme relativistic and nuclear effects. The importance of the element may come from the pure element itself, from compounds containing it, or from its role as an alloying, electronic, catalytic or nuclear material.

    Engineering and scientific context

    Material behavior should never be inferred from the element name alone. Purity, isotope composition, crystal structure, processing history, temperature and the surrounding chemical environment can all change performance. In alloys and compounds, the contribution of oganesson depends on concentration and interaction with the other constituents.

    Safety and handling

    Oganesson is radioactive, so any practical work involving it requires specialist radiological controls, approved facilities and isotope-specific procedures.

    Related elements

    Helium (He) · Neon (Ne) · Argon (Ar) · Tennessine (Ts)

    Reference sources

    For authoritative element data and current standard atomic-weight guidance, consult the Royal Society of Chemistry Periodic Table and the IUPAC Periodic Table of the Elements.

    Continue exploring: Periodic Table · Materials Library · Material Properties · Comparisons