Question

When sodium forms an ion, it loses electrons. How many electrons does it lose, and which orbitals do the electrons come from

Answer 1

Cations. A neutral sodium atom is likely to achieve an octet in its outermost shell by losing its one valence electron. The cation produced in this way, Na+, is called the sodium ion to distinguish it from the element. The outermost shell of the sodium ion is the second electron shell, which has eight electrons in it.

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