Atomic Structure Review

What is the center of an atom called?

• a nucleus

• a shell

• an orbital

• the brain

What are the three types of subatomic particles called?

• protons, neutrons and electrons

• positives, negatives and nothings

• protons, neutrinos and elements

• elements, positrons and neutrons

Which subatomic particle has a mass of 1 and a charge of +1

• proton

• neutron

• electron

Which subatomic particle has a mass of 1 and a charge of 0?

• proton

• neutron

• electron

Which subatomic particle has a charge of -1 and a negligible mass?

• proton

• neutron

• electron

Where are the protons and neutrons found?

• in the nucleus

• in the shells

• in the orbitals

• in the brain

Where are the electrons found?

• in the nucleus

• in shells

• throughout the atom

• in the centre of the atom

What is the atomic number?

• the number of protons

• the number of neutrons

• the number of protons and electrons

• the number of protons and neutrons

What is the mass number?

• the number of protons

• the number of neutrons

• the number of protons and electrons

• the number of protons and neutrons

What is an isotope?

• an atom with the same number of protons but a different number of neutrons

• an atom with the same number of protons but a different number of electrons

• an atom with the same number of neutrons but a different number of protons

• an atom with the same number of neutrons but a different number of electrons