Unit 1: Atomic Structure Review

Subatomic particles with a negative charge

• Electrons

• Neutrons

• Protons

• Quarks

These are found in the nucleus and have a neutral charge.

• proton

• electron

• neutron

These will determine what element an atom is. 

• number of neutrons
• number of electrons
• number of atoms 
• number of protons 

In an atom, the number of protons is equal to the number of ____________.

• energy levels

• neutrons

• neurons

• electrons

An atom of the element with atomic number 6 always has _____.

• six protons in its nucleus
• an atomic mass of six
• more than six neutrons
• six electron clouds

How many electrons does an Iodine atom have?

• 53

• 126

• 73

• 179

How many protons are in Beryllium?

• 4
• 9
• 5
• 2

What is atomic number?

• Number of protons in an atoms 
• Number of neutrons in an atom
• Mass of an atom
• Charge on an atom

Which subatomic particles are found in the nucleus of an atom?

• Protons and Electrons
• Protons and Neutrons
• Neutrons and Electrons
• Protons, Neutrons and Electrons

What mass does a neutron have?

• 1 amu

• 0 amu

• -1 amu

• +2 amu