An atom of an element (X) has its K, L and M shells filled with some e – InterviewSolution

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1.	An atom of an element (X) has its K, L and M shells filled with some electrons. It reacts with sodium metal to form a compound NaX. The number of electrons in the valence shell of the atom (X) will be
Answer» An atom of an element (X) has its K, L and M shells filled with some electrons. It reacts with sodium metal to form a compound NaX. The number of electrons in the valence shell of the atom (X) will be

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