Ionic Compounds and Their Properties 3

What particles make up an atom’s nucleus?

• Electrons and protons

• Neutrons and electrons

• Protons and neutrons

• Protons and electrons

What is the charge of a neutron?

• Positive

• Negative

• Neutral

• It depends on the atom

How is an ion formed?

• By gaining or losing neutrons

• By gaining or losing electrons

• By changing the number of protons

• By breaking apart the nucleus

What is a cation?

• A negatively charged ion

• A positively charged ion

• A neutral atom

• An isotope

What is an anion?

• A positively charged ion

• A negatively charged ion

• A neutral atom

• A noble gas

Which of the following is a cation?

• Cl⁻

• Na⁺

• O²⁻

• Br⁻

Which of the following is an anion?

• Ca²⁺

• Na⁺

• O²⁻

• Mg²⁺

What type of elements tend to form cations?

• Non-metals

• Noble gases

• Metals

• Metalloids

What type of elements tend to form anions?

• Metals

• Non-metals

• Noble gases

• All elements

What determines the charge of an ion?

• The number of protons lost

• The number of electrons gained or lost

• The number of neutrons gained

• The atomic mass