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Which of the following is the correct chemical formula for cobalt(II) chromate?
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3. Chemical Reactions
Naming Ionic Compounds
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NaCl is the chemical formula for which ionic compound?
A
Sodium chlorate
B
Sodium carbonate
C
Sodium sulfide
D
Sodium chloride
Guida verificata passo dopo passo1
Identify the elements present in the chemical formula NaCl. Here, Na stands for sodium and Cl stands for chlorine.
Recognize that Na (sodium) is a metal and Cl (chlorine) is a nonmetal, which typically form ionic compounds by transferring electrons.
Recall the common ionic compound formed between sodium and chlorine is sodium chloride, where sodium donates one electron to chlorine.
Understand that sodium chlorate, sodium carbonate, and sodium sulfide have different chemical formulas involving other elements or polyatomic ions.
Conclude that the chemical formula NaCl corresponds to sodium chloride, an ionic compound formed by sodium and chlorine ions.
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