Atomic Structure Quiz

Who first used the term 'atom'?

• Democritus

• Dalton

• Thomson

• Rutherford

What is the charge of a neutron?

• Negative

• Positive

• Neutral

• Variable

Which model of the atom introduced the concept of electron shells?

• Bohr's Model

• Thomson's Model

• Dalton's Model

• Rutherford's Model

What does the atomic number represent?

• Total number of electrons

• Number of neutrons

• Total number of nucleons

• Number of protons

Which isotope is used in medicine to destroy cancer cells?

• Cobalt-60

• Carbon-14

• Iodine-131

• Sodium-24