Answers Chemistry Nomenclature of Ionic Compounds — QuizQuestion 2

2

QuizMultiple Choice

Nomenclature of Ionic Compounds — Quiz

Question 2 • Chemistry

What is the chemical formula for ammonium sulfate?

Answer

A

open paren NH sub 4 close paren sub 2 SO sub 4

B

NH sub 4 times open paren SO sub 4 close paren

C

NH sub 4 open paren SO sub 4 close paren sub 2

D

open paren NH sub 4 close paren sub 2 SO sub 3

Explanation

Ammonium is the polyatomic ion NH₄⁺, and sulfate is SO₄²⁻. Two ammonium ions are needed to balance the 2− charge of one sulfate ion, giving (NH₄)₂SO₄. Choice A gives ammonium sulfate; choice D has sulfite (SO₃²⁻) instead of sulfate.

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