Unit 2 Vocab

Front

What is an atom?

Back

Smallest part of anything.

Front

Protons:

Back

Positive charge, nucleus.

Front

Neutrons:

Back

Neutral, no charge, nucleus.

Front

Electrons

Back

Negative charge, shells

Front

Atomic number

Back

Number of protons/represents an element

Front

Mass number

Back

Number of protons and neutrons

Front

Atomic symbol

Back

Capital letter

Front

A charged atom

Back

ion

Front

Positively charged particles in an atom?

Back

Protons

Front

Charge of electrons?

Back

Negative