Front

What are valence electrons?

Back

Valence electrons are the electrons located in the outermost energy levels of an atom, which are involved in forming bonds with other atoms.

Front

What type of bond is formed by the electrostatic attraction between positive and negative ions?

Back

Ionic bond.

Front

What type of bond is likely to form between a metal and a nonmetal?

Back

Ionic bond.

Front

What is the chemical formula for ammonia?

Back

NH3.

Front

What type of bond is present in ammonia (NH3)?

Back

Covalent bond.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons from one atom to another, while covalent bonds involve the sharing of electrons between atoms.

Front

What is an example of an ionic compound?

Back

Sodium chloride (NaCl).

Front

What is an example of a covalent compound?

Back

Water (H2O).

Front

What happens to electrons in an ionic bond?

Back

Electrons are transferred from one atom to another, resulting in the formation of positive and negative ions.

Front

What happens to electrons in a covalent bond?

Back

Electrons are shared between two atoms.