2-1 Flashcardizz Part 4 Mass of Atoms

Front

What is the primary location of an atom's mass?

Back

The nucleus.

Front

How do you determine the mass of an atom?

Back

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

Front

What particles are found in the nucleus of an atom?

Back

Protons and neutrons.

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.

Front

If an atom has 2 protons and 2 neutrons, what is its mass number?

Back

4.

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.

Front

Where are electrons located in an atom?

Back

In the electron cloud surrounding the nucleus.

Front

What is the significance of the atomic number?

Back

It represents the number of protons in an atom and determines the element's identity.