1. Warmup: Concept: PS-2.1 Compare the subatomic particles

2. 1.Name three subatomic particles that are found in atoms. 2.Name the subatomic particle that has a positive electrical charge of 1. 3.Name the subatomic particle that has a negative electrical charge of 1. 4.Name the subatomic particle that is electrically neutral. 5.Name two subatomic particles that have a mass of 1AMU. 6.What does “AMU” stand for?

3. 1.Name three subatomic particles that are found in atoms. Protons, Neutrons, and Electrons 2.Name the subatomic particle that has a positive electrical charge of 1. Proton 3.Name the subatomic particle that has a negative electrical charge of 1. Electron 4.Name the subatomic particle that is electrically neutral. Neutron 5.Name two subatomic particles that have a mass of 1AMU. Proton and Neutron 6.What does “AMU” stand for? Atomic Mass Unit