Atoms

Front

What is the neutral particle in an atom that has no charge?

Back

Neutron

Front

What do you count to determine which atom an element is?

Back

Protons

Front

Which labeled structure represents a proton?

Back

C

Front

Who is the scientist whose atom model looked like a chocolate chip cookie?

Back

Thomson

Front

If an atom has 10 protons, 10 neutrons, and 10 electrons, what is the mass of this atom?

Back

20

Front

What is the positively charged particle in an atom?

Back

Proton

Front

What is the negatively charged particle in an atom?

Back

Electron

Front

What is the center of an atom called?

Back

Nucleus

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.