7th Grade Notes Quiz

Identify whether the following are considered matter or not.

Groups:

(a) Matter

,

(b) Not Matter

• Air

• Ice

• Bacteria

• Magnetism

• Light

• Energy

• Stars

What is matter? Select all that apply.

• Anything that has mass.

• Anything that takes up space.

• Anything you can experience with your senses

• Anything that exists in the known universe.

Tags

NGSS.MS-PS1-5

Match the following words with their correct definitions.

• Nucleus

• a negatively charged subatomic particle

• Electron

• the smallest particle of an element that retains the properties of that element

• Atom

• the central part of an atom containing protons and neutrons

• Proton

• a subatomic particle with no charge

• Neutron

• a positively charged subatomic particle

Match the following terms to their correct definitions.

• Mass Number

• Total number of protons and neutrons in the nucleus

• Isotope

• The weighted average of the masses of the isotopes of an element

• Atomic Mass

• Atoms with the same number of protons but different numbers of neutrons

Label the parts of the Periodic Table square:

a

b

c

d

Element Name

Chemical Symbol

Atomic Mass

Atomic Number

Match the following elements to the correct element symbol.

• Pb

• Argon

• Ar

• Aluminum

• Al

• Phosphorous

• P

• Lead

• K

• Potassium

Match the following elements to the correct atomic number.

• 15

• Potassium

• 13

• Aluminum

• 18

• Phosphorous

• 82

• Argon

• 19

• Lead

Match the following elements to the correct atomic mass.

• 207.20

• Phosphorous

• 26.98

• Aluminum

• 39.10

• Potassium

• 39.95

• Argon

• 30.97

• Lead

Match the following elements to the correct mass number

• 39

• Lead

• 27

• Aluminum

• 207

• Potassium

• 31

• Phosphorous

• 40

• Argon

Match the following elements to the correct number of protons.

• 19

• Phosphorous

• 18

• Lead

• 13

• Aluminum

• 15

• Potassium

• 82

• Argon