Unit 4: Ionic Compounds Review

Front

What happens to a metal atom when it forms an ionic bond?

Back

It loses electrons to form a cation.

Front

What do subscripts in a chemical formula indicate?

Back

They indicate the number of atoms of each element in a molecule.

Front

What type of bond involves the sharing of electrons between atoms?

Back

Covalent bond.

Front

Define a valence electron.

Back

A valence electron is an electron that is found in the outermost shell of an atom.

Front

What type of bond is formed between strontium (Sr) and sulfur (S)?

Back

Ionic bond.

Front

What is the charge of a cation?

Back

A cation has a positive charge.

Front

What is the charge of an anion?

Back

An anion has a negative charge.

Front

How do ionic compounds typically form?

Back

Ionic compounds form when metals transfer electrons to nonmetals.

Front

What is the significance of valence electrons in chemical bonding?

Back

Valence electrons determine how an atom can bond with other atoms.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons, while covalent bonds involve the sharing of electrons.