Subatomic Particles and Atomic Models Diagnostic Quiz

Which subatomic particle was discovered first?

• Proton

• Neutron

• Electron

• Quark

The electron is:

• Positively charged

• Neutral

• Negatively charged

• Found in the nucleus

Rutherford's gold foil experiment led to the discovery of:

• Electrons orbiting the nucleus

• Neutrons

• The nucleus

• The periodic table

In the plum pudding model, the atom is:

• A dense central core

• A sphere of positive charge with electrons scattered through it

• Empty space

• Only made of protons

Which subatomic particle is neutral?

• Proton

• Electron

• Neutron

• Positron

What charge does a proton have?

• Negative

• Positive

• Neutral

• It depends

Which of the following is not in the nucleus?

• Proton

• Neutron

• Electron

• Both A and B

The mass number of an atom is the sum of:

• Electrons and protons

• Protons and neutrons

• Neutrons and electrons

• Only protons

Isotopes of an element have:

• Different protons

• Same neutrons

• Different neutrons

• Different electrons

Which type of radiation is the most penetrating?

• Alpha

• Beta

• Gamma

• Neutron