The ion of an element has 3 positive charges. Mass number of the atom is 27 and the number of neutrons is 14. What is the number of electrons in the ion?

Non-metals like fluorine (F), chlorine (Cl), and bromine (Br), which gain one electron to form negative ions (anions).
Thus, elements with valency 1 are not always metals or non-metals but can be either.
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