The formula of a salt is XCl₂. The X- ion in this salt has 28 electrons. The metal X is _ .

Name: The formula of a salt is XCl 2 . The X- ion in this salt has 28 electrons. The metal X is _ .
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Question

Quizplus · Accepted Answer

The formula of the salt suggests that X has a 2+ charge since there is one Cl- ion and two instances of ₂. This means that X has lost two electrons, so it must have had 30 electrons originally. The only element listed with 30 electrons is zinc (Zn), making choice D the correct answer.

The Formula of a Salt Is XCl2

The Formula of a Salt Is XCl₂