Question

In a sample of calcium metals, how many electrons does an atom of calcium contribute to the sea of delocalized electrons?

Answer 1

Calcium atom has two electrons to contribute to the sea of delocalized electrons

Step-by-step explanation

Calcium belongs to group two metals with the atomic number of 20

The electronic configuration of calcium is written below as

`\text{ }_(20)\text{Ca }\rightarrow\text{ 1s}^22s^22p^63s^23p^64s^2`

In the above configuration, calcium has two electrons at its outermost shell. This means it valence electrons is 2

Therefore, calcium is readily to lose the two electrons two attain it octet configuration.

Hence, calcium atom has two electrons to contribute to the sea of delocalized electrons