Isotopes

Multiple Choice

Which of the following statements best describes isotopes?

• Atoms with the same number of protons but different numbers of neutrons

• Atoms with different numbers of protons and neutrons

• Atoms with the same number of neutrons but different numbers of protons

• Atoms with the same number of protons and neutrons

Multiple Choice

Which subatomic particle determines the atomic number and identity of an element?

• Proton

• Neutron

• Electron

• Nucleus

Multiple Choice

Which of the following are important uses of isotopes?

• Medical applications

• Archaeological and geological dating

• Nuclear energy fuel

• All of the above

Fill in the Blanks

Atoms with the same number of protons but different numbers of neutrons are called

.

Multiple Select

Select all statements that correctly describe isotopes.

• Isotopes have the same number of protons but different numbers of neutrons.

• Isotopes have different atomic masses.

• Isotopes are different elements with the same number of neutrons.

• Isotopes can have practical applications in medicine and archaeology.

Multiple Choice

What is the main difference between Carbon-12 and Carbon-14 isotopes?

• They have different numbers of protons

• They have different numbers of neutrons

• They have different numbers of electrons

• They belong to different elements