ICP final chem review 6: atomic structure

Who was the first one to think of atoms?

• Thompson

• Einstein

• Democritus

• Dalton

True or False: Dalton believed that protons, neutrons and electrons existed.

• true

• false

What did Thomson discover?

• protons

• neutrons

• electrons

• nucleus

What was Thomson's model called?

• plum pudding

• nuclear atom

• atomos

• gold foil

What did Rutherford discover?

• proton

• neutron

• electron

• nucleus

Which subatomic particle is positive

• gamma

• proton

• neutron

• electron

which subatomic particle is negative?

• gamma

• proton

• neutron

• electron

What is the charge of the nucleus?

• positive

• negative

• neutral

Which is the lightest subatomic particle?

• proton

• neutron

• electron

• nucleus

What does the atomic number indicate regardless of the charge?

• the number of protons

• the number of electrons

• the number of neutrons

• the number of nuclei