Isotopes and Atomic Mass Quiz

What is the most abundant isotope of Hydrogen?

• Hydrogen-1

• Hydrogen-2

• Hydrogen-3

• Hydrogen-4

For all isotopes of an element, what is similar?

• Number of neutrons

• Number of electrons

• Mass number

• Number of protons

For all isotopes of an element, what is different?

• Number of protons

• Number of neutrons

• Mass number

• Number of electrons

Based on the evidence in this experience, what is an isotope?

• An element with different numbers of protons

• An element with different numbers of neutrons

• An element with different numbers of electrons

• An element with the same number of protons but different numbers of neutrons