Question

Write the full electron configuration for a Ca ion. electron configuration:

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Answer #1

Electronic configuration is the systamatic arrangement of electrons in orbitals.

Atomic number of calcium (Ca) is 20. Thetefore total count of electron in Ca is 20. Thereis +1 charge on Ca, therefore electron count becomes 20 - 1 = 19.

Therefore electronic configuration of Ca+ is,

1s2 2s2 2p6 3s2 3p6 4s1.

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