formation of ions

What type of compound is formed by the complete transfer of electrons?

Ionic compound.

What states do ionic compounds exist in?

Solid state.

What elements combine to form ionic compounds?

Metal and non-metal.

What type of compound is formed by the sharing of electrons between two atoms?

Covalent compound.

In what states can covalent compounds exist?

Solid, liquid, and gas state.

What elements can combine to form covalent compounds?

Non-metal + non-metal or metalloid + non-metal.

What is a chemical bond?

A strong force of attraction linking atoms in a molecule or crystal.

Who discovered covalent compounds?

Gilbert Lewis (1875-1946).

What are ions?

Charged particles resulting from the loss or gain of one or more electrons.

What are cations?

Ions that form from the loss of electrons and have a positive charge.

What are anions?

Ions that form through the gain of electrons and have a negative charge.