Matter Vocabulary

Question 1

Atoms:

Answer 1

Building blocks of matter

Made up of protons, neutrons, and electrons

Question 2

Element:

Answer 2

A pure substance, all the atoms have the same atomic number/number of protons

Question 3

Nucleus:

Answer 3

The center of an atom, it contains the protons and neutrons

Question 4

Proton:

Answer 4

Particles that have a positive (+) charge

Question 5

Neutron

Answer 5

Particles that don’t have a charge and are therefore NEUTRAL

Question 6

Electrons:

Answer 6

Particles that have a negative (-) charge

Question 7

Strong force

Answer 7

This holds the nucleus together, keeping the protons and neutrons together

Question 8

Atomic number:

Answer 8

The number of protons and electrons found in an element

Question 9

Atomic Mass:

Answer 9

The mass of an atom

Question 10

Shells:

Answer 10

Energy levels where the electrons are found

Question 11

Valence electrons:

Answer 11

The electrons in the outermost shell; determines bonding

Question 12

Matter from smallest to largest?

Answer 12

Atom, Element, Molecule, Compound

Question 13

Molecule:

Answer 13

Groups of atoms chemically joined together ( smallest particle of one substance

Question 14

Compound:

Answer 14

Substance made up of molecules that contain more than one kind of atom