Atomic Structure

Front

What do particles with the same charge do?

Back

Repel

Front

Particles that have different charge will

Back

Attract

Front

Why is the electron not included in atomic mass calculations?

Back

Its mass is basically zero.

Front

An atom has 9 protons, therefore its atomic number is

Back

9

Front

The arrow in the picture is pointing to

Back

The atomic number

Front

The atomic number of an atom is 22, therefore it has _______ electrons.

Back

22

Front

What does the atomic number tell us?

Back

Both the number of protons and electrons.

Front

45 = N - 24

Back

69

Front

The arrow is pointing to the

Back

Atomic mass

Front

True or False: The neutron has a mass of 1 amu

Back

True