Question

when two atoms share four electrons with one another, what type of bond do they form?
a. a single ionic bond
b. a double ionic bond
c. a single covalent bond
d. a double covalent bond

Explanation:

• Ionic bonds involve the transfer of electrons, not sharing. So options A and B are incorrect.
• A single covalent bond is formed when two atoms share two electrons.
• A double covalent bond is formed when two atoms share four electrons.

Answer:

D. a double covalent bond