The building blocks of matter are called...

Middle of the atom is called:

Outer portion of an atom where we find electrons is called:

Chemists use this unit of measurement when representing the mass of the atom and its subatomic particles:

What takes up most of the MASS of an atom:

What takes up most of the VOLUME of an atom?

We call the protons, neutrons, and electrons of an atom the...

This subatomic particle has the symbol p+

This subatomic particle has the symbol n0

This subatomic particle has the symbol e-

This subatomic particle has ALMOST 0 mass (in AMUs):

The proton and neutron have about the same mass. What is it in AMUs?

Charge of a proton:

Charge of a neutron:

Charge of an electron:

Location of a proton in an atom:

Location of a neutron in an atom:

Location of an electron in an atom:

A pure substance that is made up of only ONE type of atom is called:

True or false: You cannot separate an element into other substances.

This scientist created the periodic table:

This on a periodic table square tells us the number of protons:

True or false: When calculating the number of electrons, there is always an equal number of electrons and protons.

Atomic Mass - Atomic Number is how you calculate the number of...

The first shell holds how many electrons?

The second shell holds how many electrons?

The third shell holds how many electrons?

The fourth shell holds how many electrons?

True or false: Each element has its own square on the periodic table.

This is an atom of which element?

This is an atom of which element?