Calcium

Calcium

Atomic Number: 20Atomic mass: 40.08Period:4

Group Number:2Type of Element:MetalWho Discovered the Element: Humphry Davy(1808)

When was it first isolated: In 1808 by DavyMeaning of the name: The name is derived from the Latin 'calx' meaning lime.

Percent Abundance!!!!

Lewis Dot Structure:The valence electrons are on the outside of the element symbol and what ever the group number is that’s how many dots it will have around the symbol.

Electron Configuration: [Ar] 4s2Physical properties:Melting Point: 1548°FBoiling Point: 2703°F

Density: 1550  kg m-3Color: SilverClassification: Alkaline EarthAbundances: Chalk, Limestone, Marble. 3.5% of Earth’s CrustAtomic Radius: 194 pm

Electron affinity: -21st Ionization Energy: 589.8Electronegativity: 1

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