The formula of a salt is XCl2. The X-ion in this salt has 28 electrons. The metal X is A) Ni B) Zn C) Fe D) V
2 answers:
The answer is B) Zn
I hope this helped =)
If the formula is XCl2, the X ion has a charge of +2 since each Cl ion has a charge of -1.
Then if the X ion has 28 electrons with a charge of +2, it must have 30 protons.
Its atomic number is 30, which makes it zinc. The metal X is Zn. Choice b is correct.
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