Atoms and The 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.