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

In my opinion, the correct answer among the choices above is option B. AN atom having four electrons in its valence shell is capable of single, double, or triple covalent bonds. This is because 4 electrons of the atom can be shared with other atoms.