The bond formed when two atoms share electrons.

A bond where two atoms share two pair of electrons.

A bond where two atoms share three pairs of electrons.

An attraction between a positive metal ion and electrons surrounding it.

The electrons that are in the highest level of an atom and that are involved in chemical bonding.

A compound that consists of positive and negative ions.

Symbols that show the elements in a compound and the ratio of atoms.

A number in a chemical formula that tells the number of atoms in a molecule or the ratio of elements in a compound.

A neutral group of atoms joined by covalent bonds.

What type of bond is formed when atoms share electrons?

Which of the following is a characteristic of ionic bonds?

In a water molecule ( $$H_2O$$ ), what type of bond holds the hydrogen and oxygen atoms together?

Which of the following best explains why metals are good conductors of electricity?

What happens to the energy levels of atoms when they form a covalent bond?