Question

Which of the following describes a covalent bond

It is the exchange of electrons between atoms with an electronegativity difference above 1.7.
It is the exchange of electrons between atoms with an electronegativity difference below 1.7.
It is the sharing of electrons between atoms with an electronegativity difference above 1.7.
It is the sharing of electrons between atoms with an electronegativity difference below 1.7.

Answer 1

Answer: Electrons are shared to fill outer electron shells

Explanation: It is the sharing of electrons between atoms with an electronegativity difference above 1.7.