Multiple Choice
Which of the following is the correct chemical formula for sodium chloride?
3. Chemical Reactions
Naming Ionic Compounds
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Which statement best describes the compound magnesium oxide?
A
It is a covalent compound formed from two nonmetals.
B
It is an ionic compound formed from a metal and a nonmetal.
C
It is a molecular compound formed from two metals.
D
It is an acid formed from hydrogen and oxygen.
Verified step by step guidance1
Identify the elements involved in the compound magnesium oxide: magnesium (Mg) and oxygen (O).
Determine the type of elements: magnesium is a metal, and oxygen is a nonmetal.
Recall that compounds formed between metals and nonmetals are typically ionic compounds due to the transfer of electrons from the metal to the nonmetal.
Understand that covalent compounds usually form between two nonmetals, involving the sharing of electrons, which does not apply here.
Conclude that magnesium oxide is an ionic compound formed from a metal (magnesium) and a nonmetal (oxygen).
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