An atom has four electrons in its valence shell. what types of covalent bonds is it capable of forming?
choose one answer. a. single and double only
b. single, double, or triple
c. two double bonds only
d. four single bonds only

8

explanation:

each principal energy level above the first contains one s orbital and three p orbitals. a set of three p orbitals, called the p sublevel, can hold a maximum of six electrons. therefore, the second level can contain a maximum of eight electrons - that is, two in the s orbital and 6 in the three p orbitals.

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