UNIT 1 REVIEW!!!

What makes up the MASS of the atom?

• protons and electrons

• protons and neutrons

• electrons only

• protons, neutrons, and electrons

Which makes up the volume of an atom?

• protons and electrons

• protons and neutrons

• electrons only

• protons, neutrons, and electrons

Protons and neutrons are located where?

• electron cloud

• proton cloud

• nucleus

• atom

Are protons, neutrons, and electrons all the same size?

• Protons and neutrons are same size; electrons are smaller

• protons and electrons are the same size; neutrons are smaller

• All three are the same size

• All three are different sizes

What IDENTIFIES an atom?

• atomic mass

• number of protons

• number of electrons

• the group on the periodic table

• number of neutrons

How do you find the amount of neutrons? (APE MAN)

• protons + electrons

• atomic number - atomic mass

• atomic mass - atomic number

• protons - electrons

Which group on the periodic table is the LEAST reactive with other elements?

• 18

• 1

• 17

• 4

Which family on the periodic table is most reactive?

• 18

• 1

• 2

• 4

Which direction is a period on the periodic table?

• up and down

• left to right

which direction is a family on the periodic table

• up and down

• left to right