atom structure

Front

What is the location of 99.9% of an atom's mass?

Back

The nucleus.

Tags

NGSS.HS-PS1-8

Front

What are the rows on the Periodic Table called?

Back

Periods.

Front

What are the columns on the Periodic Table called?

Back

Groups.

Front

What particles make up the nucleus of an atom?

Back

Protons and neutrons.

Front

Which type of particle orbits the nucleus and has a negative charge?

Back

Electron.

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

What is the atomic number of an element?

Back

The number of protons in the nucleus.

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.