Atoms Review

Front

What did Democritus, Dalton, Thomson, Rutherford, and Bohr all have in common?

Back

They each contributed to the development of the atomic theory.

Front

All matter is made of what? Options: energy, atoms, electrons, compounds

Back

atoms

Front

The positive particles of an atom are: electrons, positrons, neutrons, protons

Back

protons

Front

The central region of an atom where its neutrons and protons are is its

Back

nucleus

Front

An atom with atomic number 6 would have how many protons?

Back

6

Front

Particles in an atom that are neutral and have no charge are: negatrons, electrons, neutrons, protons

Back

neutrons

Front

True or False? Neutrons have a negative charge

Back

False

Front

What is the atomic number for an element with three protons?

Back

3

Front

The subatomic particle with a negative charge is the

Back

electron

Front

What is the mass number?

Back

the number of protons and neutrons