Name the particles in the nucleus:

Name the particles in the space around the nucleus

List the following in order from SMALLEST to LARGEST:

Atom, Electron, Proton, Neutron

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

Which of the following is the element symbol for sodium?

• So

• S

• Na

• No

Which of the following is the element symbol for Magnesium?

• Ma

• Mg

• M

• Mn

What is the electric charge of a proton?

• positive

• negative

• neutral

• not sure

What is the overall charge of an atom?

• postive

• negative

• neutral

• not sure

Write the electron shell configuration for Lithium.