Flashcard Isotopes - Mrs. Chacon

Front

What is 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, which determines the element's identity.

Front

How do you calculate the mass number of an atom?

Back

The mass number is calculated by adding the number of protons and neutrons in the nucleus.

Front

What is the mass number of an isotope?

Back

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

Front

How many protons does iron have?

Back

Iron has 26 protons.

Front

What is the atomic number of calcium?

Back

The atomic number of calcium is 20.

Front

How many neutrons does nitrogen-15 have?

Back

Nitrogen-15 has 8 neutrons.

Front

What is the mass number of carbon-13?

Back

The mass number of carbon-13 is 13.

Front

How many protons does chlorine have?

Back

Chlorine has 17 protons.

Front

What is the relationship between protons and the atomic number?

Back

The atomic number is equal to the number of protons in an atom.