Atomic Structure G8

The particles that are found in the nucleus of an atom are

• neutrons and electrons
• electrons only
• protons and neutrons
• protons and electrons

What is the atomic number of this atom shown in the Bohr model?

• 11

• 12

• 13

• can't be determined

How do you find out the number of neutrons in an atom?

• atomic number
• atomic mass
• charge
• atomic mass - atomic number

Which is an electron?

• A

• B

• C

• electrons are not labeled in the diagram

How do you find out the number of protons in an atom?

• atomic number
• atomic mass
• charge
• atomic mass - atomic number

All matter is made of _________. 

• energy 
• atoms 
• electrons 
• compounds 

Which particle has a similar mass to a proton?

• Electron
• Neutron
• Photon
• Marble

The mass of a proton is _______.

• 1 amu
• 1 gram
• has no mass
• undetermined

The part of the atom that determines the identity of the atom is the ____________.

• proton
• nucleus
• electron
• neutron

A substance that is made up for one type of atom is called an:

• atom
• element
• compound
• mixture