Understanding Carbon Isotopes

What defines an atom as a specific element?

• The number of neutrons

• The atomic mass

• The number of protons

• The number of electrons

How do isotopes of the same element differ?

• In the number of electrons

• In the chemical behavior

• In the number of protons

• In the number of neutrons

What is the neutron count in carbon 13?

• 6

• 7

• 9

• 8

Which carbon isotope is known to be radioactive?

• Carbon 15

• Carbon 14

• Carbon 13

• Carbon 12

What is a common use of carbon 14 in science?

• Dating organic materials

• Determining the chemical properties of elements

• Identifying the number of protons in an atom

• Measuring the atomic mass of isotopes