Sodium has one electron in its outer energy level. according to the octet rule, a) it wants to take on another electron b) it wants to give up an electron c) it's outer energy level is full

It wants to give up an electron

Explanation:

The atomic number of sodium is 11. It is represented as Na. Its outermost shell contains only one electron. The electronic configuration of sodium is 1s²2s²2p⁶3s¹. According to the octet rule, the atoms are organised in such a way that they have a valance electrons in their valance shells so that they acquire same electronic configuration as noble gases.    

As per octet rule, sodium wants to give up an electron so as to acquire the stable configuration i.e. 1s²2s²2p⁶ or [Ne]. Ne is neon and it is a noble gas. So, sodium give up an electron and acquire the stable electronic configuration of Neon. Hence, the correct option is (B).

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