2-1 Flashcardizz Part 4 Mass of Atoms

Front

What should you do when determining the MASS of an atom?

Back

Add the number of protons (p+) and neutrons (n0).

Front

What does the nucleus of an atom contain?

Back

Protons and neutrons.

Front

What is the MASS NUMBER?

Back

The total number of protons and neutrons in an atom.

Front

If an atom has 2 protons and 2 neutrons, what is its MASS NUMBER?

Back

4.

Front

Where is the MASS of the atom primarily located?

Back

In the nucleus.

Front

What particles contribute to the mass of an atom?

Back

Protons and neutrons.

Front

How do you find the number of neutrons in an atom?

Back

Subtract the number of protons from the mass number.

Front

What is the charge of a proton?

Back

Positive.

Front

What is the charge of a neutron?

Back

Neutral.

Front

What is the charge of an electron?

Back

Negative.