Flashcard Isotopes - Mrs. Chacon

Front

What are isotopes?

Back

Atoms of the same element but different number of neutrons.

Front

How many neutrons does nitrogen-14 have?

Back

7

Front

How many neutrons does Krypton-89 have?

Back

53

Front

What is the mass number of hydrogen-1?

Back

1

Front

What is the atomic number of oxygen?

Back

8

Front

What is the definition of atomic number?

Back

The number of protons in the nucleus of an atom.

Front

What is the definition of mass number?

Back

The total number of protons and neutrons in an atom's nucleus.

Front

How do you calculate the number of neutrons in an isotope?

Back

Subtract the atomic number from the mass number.

Front

What is the relationship between isotopes and chemical properties?

Back

Isotopes of an element have the same chemical properties because they have the same number of protons.

Front

What is an example of an isotope?

Back

Carbon-12 and Carbon-14 are isotopes of carbon.