Multiple Choice
Which of the following is the correct chemical formula for cesium nitride?
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3. Chemical Reactions
Naming Ionic Compounds
Multiple Choice
In which of the following ionic compounds is nitrogen present?
A
MgBr_2
B
KCl
C
NaNO_3
D
CaSO_4
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Verified step by step guidance1
Identify the chemical formulas given: MgBr_2, KCl, NaNO_3, and CaSO_4.
Recall that nitrogen is represented by the symbol 'N' in chemical formulas.
Examine each compound to see if it contains the element nitrogen (N):
- MgBr_2 contains magnesium (Mg) and bromine (Br), no nitrogen.
- KCl contains potassium (K) and chlorine (Cl), no nitrogen.
- NaNO_3 contains sodium (Na), nitrogen (N), and oxygen (O), so nitrogen is present here.
- CaSO_4 contains calcium (Ca), sulfur (S), and oxygen (O), no nitrogen.
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