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27-11-2017
Chemistry

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What are did facts about atomic number 20?

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27-11-2017

Basic Calcium Facts

Name: Calcium

Atomic Number: 20

Element Symbol: Ca

Group: 2

Period: 4

Block: s

Element Family: Alkaline Earth

Atomic Mass: 40.078(4)

Electron Configuration: [Ar]4s2

Full: 1s22s22p63s23p64s2 (full)

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