Atoms

Electrons are located __________ the nucleus.

Atoms consist of three basic parts. Which is NOT a basic part of an atom? cloud, proton, neutron, or electron?

Protons have a __________ charge.

The __________ __________ shows all the different elements there are on Earth.

Electrons have a __________ electrical charge.

Protons are located (inside/outside) the nucleus.

__________ are the basic building blocks of life.

Atoms are the basic unit of a chemical __________ (ex. mercury, gold, iron).

Neutrons are located __________ the nucleus.

Neutrons have __________ electrical charge.