Atomic Theory Quiz

Which particles are included in the subatomic particles?

• Atoms, molecules, ions

• Electrons, protons, neutrons

• Neutrons, ions, atoms

• Protons, ions, molecules

Who discovered electrons in 1897?

• Albert Einstein

• J.J. Thomson

• John Dalton

• Ernest Rutherford

What did Dalton study in relation to chemical reactions?

• The speed of reactions

• The ratios in which elements combine

• The color changes in reactions

• The temperature effects on reactions

What charge do protons have?

• Negative

• Neutral

• Positive

• No charge

Who confirmed the existence of the neutron in 1932?

• Ernest Rutherford

• J.J. Thomson

• James Chadwick

• Eugen Goldstein

What is the charge of neutrons?

• Positive

• Negative

• Neutral

• Double positive

What did Rutherford’s gold-foil experiment demonstrate about the atom?

• Atoms are solid

• Atoms are mostly empty space

• Atoms are filled with electrons

• Atoms are negatively charged

What is the central core of an atom called?

• Electron cloud

• Proton center

• Nucleus

• Neutron hub

What did Eugen Goldstein discover in 1886?

• Neutrons

• Cathode rays

• Positively charged particles

• Electrons

What did Rutherford call the small positively charged region in the atom?

• Electron cloud

• Proton center

• Nucleus

• Neutron hub