Which is an example of solution?

• Carbon dioxide

• Aqueous copper sulfate

• Oil & water

• Bromine

Which of the following is NOT a diatomic element?

• Bromine

• Sulfur

• Chlorine

• Oxygen

Where is the majority of the mass of the atom located?

• Protons

• Neutrons

• Nucleus

• Electron Cloud

Which subatomic particle is responsible for the charge of the atom?

• Electron

• Proton

• Neutron

• Crouton

Which subatomic particles are located inside the nucleus?

• Protons and electrons

• Protons and croutons

• Neutrons and electrons

• Protons and neutrons

Which subatomic particle is responsible for the identity of the atom?

• Croutons

• Protons

• Neutrons

• Electrons

How many protons are in an atom of Aluminum?

• 13

• 27

• 14

• 26.98

How many electrons are in a neutral atom of sulfur (S)?

• 18

• 32

• 16

• More info is needed

Isotopes of the same element have the same number of _________.

Isotopes of the same element have a different number of ________.