Atoms: Building Blocks Of Matter

Front 1

Indirect Evidence

Back 1

Is when you can't see or touch or use any of the five senses

Front 2

Direct Evidence

Back 2

When you can use your five sentences to determine a model

Front 3

Proton

Back 3

Subatomic particle tha has a positive charge and is found in the nucleus of an atom

Front 4

Neutrons

Back 4

Subatomic particle with no electric charge that is found in the nucleus of an atom

Front 5

Electrons

Back 5

Negatively charged subatomic particle found in an area outside the nucleus of an atom

Front 6

Atomic Number

Back 6

number of protons in nucleus of an atom

Front 7

Isotope

Back 7

atom of an element that has the same number of protons as another atom of the same element but different number of neutrons

Front 8

Mass Number

Back 8

sum of the protons and neutrons in the nucleus of an atom

Front 9

Atomic Mass

Back 9

Average of the masses of the existing isotopes of an element

Front 10

Quarks

Back 10

Particle that makes up all other known particles in the nuvleus of an atom

Front 11

Strong Force

Back 11

Force that binds protons and neutrons in the nucleus

Front 12

Weak Force

Back 12

Force that is the key to the power of the sun; responsible for a process known as radioactive decay

Front 13

Gravity

Back 13

Force of attraction between all objects in the universe

Front 14

Electromagnectic Force

Back 14

Force of attraction or repulsion between particles in an atom

Front 15

Atomos

Back 15

Greek( came up with atom)