Name the particles in the nucleus.

• Protons and neutrons

• Electrons and protons

• Neutrons and electrons

• Quarks and electrons

Name the particles in the space around the nucleus.

• Electrons

• Protons

• Neutrons

• Quarks

List the following in order from smallest to largest: atom, electron, proton, neutron.

• Electron, proton, neutron, atom

• Atom, electron, proton, neutron

• Proton, electron, neutron, atom

• Neutron, proton, electron, atom

A particular atom has 8 protons, 8 electrons and 9 neutrons. State its atomic number.

• 8

• 9

• 16

• 1

State the element symbol for oxygen.

• O

• Ox

• Og

• Oy

State the element symbol for chlorine.

• Cl

• Ch

• Cn

• Co

State the element symbol for magnesium.

• Mg

• Mn

• Ma

• Mg2

State the element symbol for iron.

• Fe

• Ir

• In

• I

Name the following element: F.

• Fluorine

• Francium

• Iron

• Phosphorus

Name the following element: Ca.

• Calcium

• Carbon

• Cadmium

• Chlorine