Question

HELP. which combination forms a covalent bond??A. two sodium ionsB. two carbon atomsC. a sodium ion and a chloride ionD. two water molecules

Answer 1

B

Step-by-step explanation

Carbon atoms share thier 4 valence electrons to form a covalent bond, it is a covalent bond because the electrons are shared, where as with ions, ionic bond is formed between a metal and a nonmetal, while a covalent bond is formed between two nonmetals (e.g Carbon)