Tin: An Overview
Tin is a chemical element with the symbol Sn and atomic number 50. It is a post-transition metal in group 14 of the periodic table. Tin is a malleable, ductile, and highly crystalline silvery-white metal. It has been used since ancient times for various purposes.
Physical Properties of Tin
Tin has the following physical properties:
- Melting point: 231.93°C
- Boiling point: 2602°C
- Density: 7.29 g/cm3
- Atomic mass: 118.71 u
Chemical Properties of Tin
Some important chemical properties of tin include:
- It forms both 2+ and 4+ oxidation states in compounds
- It reacts with strong acids to form tin(II) salts and hydrogen gas
- It can form alloys with other metals, such as bronze (copper-tin alloy)
Uses of Tin
Tin has several important uses, including:
- Coating steel to prevent corrosion (tin-plating)
- Manufacturing of solders for electronics and plumbing
- Alloying with other metals to create bronze, pewter, and other alloys
- As a component in some dental amalgams
Study Guide
To study tin effectively, consider the following points:
- Learn the physical and chemical properties of tin, including its melting and boiling points, density, and reactivity with acids.
- Understand the historical uses of tin and its modern applications in various industries.
- Study the role of tin in alloy formation, especially in the production of bronze and solders.
- Explore the environmental and health considerations related to the use of tin and its compounds.
[Tin] Related Worksheets and Study Guides:
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Worksheet/Answer keyWorksheet/Answer keyWorksheet/Answer keyThe resources above cover the following skills:
PHYSICAL SCIENCE (NGSS)
Energy
Students who demonstrate understanding can:
Develop and use models to illustrate that energy at the macroscopic scale can be accounted for as either motions of particles or energy stored in fields.