Covalent bonds are formed by the sharing of electrons between two atoms so that both can achieve a completely filled . . . . . . . . shell.

What is positively charged ion called?

A. Molecule

B. Cations

C. Anion

D. Charged Ion

What happens when a chemical bond is formed?

A. Energy is always absorbed

B. Energy is always released

C. More energy is released than it absorbed

D. Energy is neither released nor absorbed

When a chemical bond is formed, there is decrease in

A. kinetic energy

B. potential energy

C. repulsive force

D. attractive force

Which of the following theory said that bond is formed between two atoms either by sharing or transfer of valence electrons?

A. Valence shell electron pair repulsion

B. Molecular orbital theory

C. Valence bond theory

D. Electronic theory of chemical bonding