Presentation3
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Presentation3 - Presentation Transcript
- Basic Info
- Symbol-Ca
- Atomic Number-20
- Atomic mass- 40.07 amu
- Group name- Alkaline earth Metal
- Group number- 2
- Boiling point-1484.0 C
- Melting point- 839.0 C
- What classification is the element?
- Alkaline Earth/Metal
- Historical info
- Discovered by-Sir Humphrey Davy
- Discovered at- England
- Discovered when- 1808
- Origin of the name- Latin word Calcis (lime)
- Minerals in my element
- Elements in it are chalk, limestone, marble, and 3.5% of crust
- Characteristics
- Color-silver
- Hardness- soft
- Elasticity-27.579 GPa
- Sites
- www.webelements.com
- www.efunda.com
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