Front

The atomic number identifies the number of __________. Options: electrons, atoms, protons, neutrons

Back

protons

Front

Subatomic particles that have a negative charge

Back

electrons

Front

Subatomic particles with a positive charge

Back

protons

Front

These are found in the nucleus and have a neutral charge.

Back

neutron

Front

Which particles are located in the nucleus? Options: Protons & Electrons, Electrons & Neutrons, Protons & Neutrons

Back

Protons & Neutrons

Front

Which sub-atomic particles were determined to have charges? Options: Protons & Electrons, Electrons & Neutrons, Protons & Neutrons

Back

Protons & Electrons

Front

An atom has 25 protons and 30 neutrons. How many electrons are needed to make the atom neutral?

Back

25

Front

What is the overall charge of the nucleus?

Back

Positive

Front

The smallest particle of an element that shows all the properties of that element.

Back

Atom

Front

A tiny but very dense, positively charged portion of the atom that holds most of the atomic mass

Back

Nucleus