periodic table?

The second energy level can hold up to how many electrons?

• 2
• 8
• 10
• 12

What is the atomic mass of "F"

• 9
• 18
• 17
• 19

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

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

How do you find out the number of neutrons 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

How are elements ordered on the Periodic Table?

• Alphabetical Order
• By their color.
• By their atomic mass.
• By their atomic number.