Question

differentiating electron of calcium plus guys answer to this question

Answer 1

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It is the electron that differentiates the atom from the one just before it in the Periodic Table.

For example, the electron configuration of gallium is

[Ar] 4s

2

3d

10

4p

.

The element just before gallium in the Periodic Table is zinc.

Its electron configuration is

[Ar] 4s

2

3d

10

.

Thus, the differentiating electron in gallium is the

4p

electron.

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