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Unit 5, Chapter 14

Teacher: Unit 5, Chapter 14
Across
# of protons + # of electrons
Weakest force
Force that explains why opposites attract
The overall charge of an atom
Subatomic particles with neutral charge
Down
Strongest force, holds nucleus together
Discovered the electron cloud
Aka nuclear force, weaker than most forces but stronger than gravity
Scientist who discovered the electron
Positively charged subatomic particles
An element with a different # of neutrons
Discovered the nucleus
Subatomic particles that orbit the nucleus of the atom