Chemistry, 28.09.2020 14:01, lizisapenguin

Determine the identity of an unknown element X using the given table and following clues: I) Element X is a solid

II) Element X will bond ionically with element O in a 1:1 ratio.

III) As a positive ion, it will have the same number of electrons as argon.

A) calcium
B) chlorine
C) potassium
D) sulfur

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