Why does Sodium lose an electron and attains +1 charge?

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Oct 17, 2015

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Because sodium has 1 electron in the valence shell and it prefers to lose it rather than gain extra 7 electrons.

Explanation:

Sodium has 1 electron in its valence shell (outermost orbit). When any atom has 3 or less than 3 electrons in the outermost orbit, it's nature is to lose the electron to attain the octet state.

All elements, when undergoing chemical bonds, try to attain the octet state. It is much easier for sodium, which has 1 electron in the valence shell to lose it and attain octet rather than to gain an extra 7 electrons from other atom.

So, it prefers to lose the electron and gain +1 charge.

The +1 charge is due to the fact that after the electron is lost, the number of protons will be one more than that of the electrons.

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