Protons & Electrons

An atom is composed of protons (+1 charge), neutrons (0 charge), and electrons (-1 charge). An atom has a neutral charge ( total charge = 0).

An atom loses several electrons to become an ion, and the result is a charge of +3.

How can this ion become neutral?

• 3 protons and 3 electrons

• 3 neutrons

• 3 protons

• 3 electrons

An atom is composed of protons (+1 charge), neutrons (0 charge), and electrons (-1 charge). An atom has a neutral charge ( total charge = 0).

An atom loses several electrons to become an ion, and the result is a charge of -3.

How can this ion become neutral?

• 3 protons and 3 electrons

• 3 neutrons

• 3 protons

• 3 electrons

An atom is composed of protons (+1 charge), neutrons (0 charge), and electrons (-1 charge). An atom has a neutral charge ( total charge = 0).

An atom loses several electrons to become an ion, and the result is a charge of -2.

How can this ion become neutral?

• 2 protons and 2 electrons

• 2 neutrons

• 2 protons

• 2 electrons

An atom is composed of protons (+1 charge), neutrons (0 charge), and electrons (-1 charge). An atom has a neutral charge ( total charge = 0).

An atom loses several electrons to become an ion, and the result is a charge of +2.

How can this ion become neutral?

• 2 protons and 2 electrons

• 2 neutrons

• 2 protons

• 2 electrons

An atom is composed of protons (+1 charge), neutrons (0 charge), and electrons (-1 charge). An atom has a neutral charge ( total charge = 0).

An atom loses several electrons to become an ion, and the result is a charge of +25.

How can this ion become neutral?

• 25 protons and 25 electrons

• 25 neutrons

• 25 protons

• 25 electrons

An atom is composed of protons (+1 charge), neutrons (0 charge), and electrons (-1 charge). An atom has a neutral charge ( total charge = 0).

An atom loses several electrons to become an ion, and the result is a charge of +5.

How can this ion become neutral?

• 5 protons and 5 electrons

• 5 neutrons

• 5 protons

• 5 electrons