Elements and the Periodic Table

Front

The positively charged particles in an atom’s nucleus is the

Back

Proton

Front

An element’s identity can be determined from its: Atomic number, Number of neutrons, Number of isotopes, Energy levels

Back

Atomic number

Front

The smallest particle an element can be divided into is the

Back

Atom

Front

The model of the atom that described the electrons scattered throughout a ball of positive charge was proposed by

Back

J.J. Thomson

Front

Does an element’s mass number tell the number of protons in its nucleus?

Back

False

Front

Negatively charged particles in an atom are called electrons.

Back

True

Front

The cloud model of the atom describes the location of electrons as specific or it’s around the nucleus.

Back

False

Front

Atoms with the same number of protons but different numbers of neutrons are called isomers.

Back

False

Front

The sum of the protons and neutrons in an atom is called the atomic number.

Back

False

Front

An object that helps explain ideas about the natural world is called a model.

Back

True