Atoms & Chemical Reactions Review

Front

What is the difference between an element and an atom?

Back

An element is made up of all the same type of atoms.

Front

Why do protons and electrons stay near each other in an atom?

Back

Positive and negative charges attract.

Front

What is a precipitate?

Back

A solid that forms when two liquids react and a solid is produced.

Front

What charge do neutrons have?

Back

Neutrons have no charge.

Front

What happens in an ionic chemical bond?

Back

One atom gains one or more electrons and the other loses the same number.

Front

What are the three main subatomic particles in an atom?

Back

Protons, neutrons, and electrons.

Front

Where are protons located in an atom?

Back

Protons are located in the nucleus of the atom.

Front

What is the charge of a proton?

Back

Protons have a positive charge.

Front

What is the charge of an electron?

Back

Electrons have a negative charge.

Front

What is a chemical reaction?

Back

A process where substances (reactants) are transformed into different substances (products).