Question

draw atomic structure of calcium atom and calcium ion​

Answer 1

Answer:

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Explanation:

The atomic number of calcium is 20. This means that in a neutral calcium atom, there are 20 protons in its nucleus. ... The electron configuration of a neutral calcium atom is : 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 . A calcium 2+ ion has lost its two valence electrons, and now has 18 electrons.

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