ch.19 test: part 1

Match it! Select the correct answer from the pull down...Good luck!

Dot diagrams are used to represent _______________________?

particles with a positive charge are called?

Particles with a negative charge are called?

This man proposed the idea that all matter is composed of atoms

Particles with no charge are called?

The amount of protons in an atom is equal to the

Each inner energy level of an atom has a maximum number of _____________________ it can hold.

The nucleus is surrounded by a cloud that contains _________________?