isotope

Front

What happens if a proton is added or removed from an atom?

Back

It becomes a different element.

Front

What do carbon-12 and carbon-14 have in common?

Back

They have the same number of protons.

Front

Which atom has 4 neutrons?

Back

Li-7.

Front

What is the name of the isotope with 6 protons and 7 neutrons?

Back

Carbon-13.

Front

If a sulfur atom has 16 protons, 16 electrons, and 16 neutrons, what is its atomic mass?

Back

32.

Front

Define an isotope.

Back

Isotopes are variants of a particular chemical element that have the same number of protons but different numbers of neutrons.

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom.

Front

How do isotopes of the same element differ?

Back

They differ in the number of neutrons.

Front

What is the significance of isotopes in carbon dating?

Back

Carbon-14 is used in carbon dating to determine the age of organic materials.

Front

What is the mass number of an isotope?

Back

The mass number is the total number of protons and neutrons in the nucleus.