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30-11-2020
Chemistry

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Which of the following substances contains a covalent bond?
a. NaCl
b. SO2
C. CaO
d. MgCl2

Which of the following substances contains a covalent bond a NaCl b SO2 C CaO d MgCl2 class=

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30-11-2020

Answer:

B. SO2

Explanation:

An Ionic bond transfurs electrons and occurs with metals and nonmetals

Covalent is the sharing of electrons and occurs with nonmetals only.

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