Tin (Sn) has atomic number 50 and is classified as a post-transition metal. It sits in Group 14, period 5 of the periodic table. Its practical relevance includes solder, tinplate, bronze, bearing alloys and corrosion-resistant coatings.
ELEMENT DATA
Quick facts
#Atomic number50
AaSymbolSn Relative
◉Atomic mass118.710 State at room temperature Solid
⌘Group14
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.
Tin belongs to period 5. Its position helps explain recurring trends such as atomic size, bonding behavior, oxidation states and the way it interacts with neighboring elements.
Why Tin matters
In engineering and technology, tin is associated with solder, tinplate, bronze, bearing alloys and corrosion-resistant coatings. 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 tin depends on concentration and interaction with the other constituents.
Safety and handling
The hazards associated with Tin depend on its physical form, purity, compounds, process temperature and exposure route. Engineering decisions should use the applicable safety data sheet and project-specific risk assessment.
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