Periodic Table and Periodicity - Higher Difficulty Problems
Q. What is the primary type of bonding in NaCl?
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A.
Covalent
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B.
Ionic
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C.
Metallic
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D.
Hydrogen
Solution
NaCl is primarily held together by ionic bonds formed between sodium and chloride ions.
Correct Answer: B — Ionic
Q. Which of the following metals is most likely to form a +3 oxidation state?
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A.
Aluminum
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B.
Sodium
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C.
Calcium
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D.
Magnesium
Solution
Aluminum commonly forms a +3 oxidation state in its compounds.
Correct Answer: A — Aluminum
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