Gold is used for jewelry because:
- Shiny and Beautiful: Gold looks great and keeps its shine.
- Easy to Shape: It can be molded into intricate designs without breaking.
- Durable: It doesnât rust or tarnish.
- Safe: It doesnât react with most things and is unlikely to cause allergies.
- Valuable: Gold is precious and has been valued for a long time.
Chemical Properties of Gold:
- Atomic Number: 79 âď¸ Number of protons in a gold atom.
- Atomic Mass: About 197 âď¸Weight of a gold atom.
- Electron Configuration: [Xe] 4fšⴠ5dšⰠ6sš || How gold’s electrons are arranged.
- Density: 19.3 g/cmÂł || How heavy gold is for its size.
- Melting Point: 1,064 °C || Temperature at which gold melts.
- Boiling Point: 2,970 °C || Temperature at which gold boils.
- Oxidation States: +1 and +3 || Common charges gold can have in compounds.