Multiple Choice
In general, how many covalent bonds does a nitrogen atom typically form in a stable compound?
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11. Bonding & Molecular Structure
Chemical Bonds
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Which of the following compounds contains both ionic and covalent bonds?
A
CO_2
B
NaNO_3
C
CH_4
D
NaCl
Verified step by step guidance1
Understand the difference between ionic and covalent bonds: Ionic bonds form between metals and nonmetals through the transfer of electrons, while covalent bonds form between nonmetals by sharing electrons.
Analyze each compound to identify the types of bonds present:
For CO_2 (carbon dioxide), it consists of carbon and oxygen, both nonmetals, so it contains only covalent bonds.
For CH_4 (methane), it consists of carbon and hydrogen, both nonmetals, so it contains only covalent bonds.
For NaCl (sodium chloride), it consists of sodium (a metal) and chlorine (a nonmetal), so it contains only ionic bonds.
For NaNO_3 (sodium nitrate), it contains sodium (a metal) and the nitrate ion NO_3^-, where nitrogen and oxygen are nonmetals bonded covalently. The bond between sodium and nitrate is ionic, while the bonds within the nitrate ion are covalent. Therefore, NaNO_3 contains both ionic and covalent bonds.
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