Matter: Atoms and Elements Review

Front

Electrons have a ________ charge

Back

negative

Front

Neutrons have a __________ charge

Back

neutral

Front

The smallest particle of an element that still retains all the properties of that element is a(n) __________

Back

atom

Front

True or false: all elements have properties that are different from any other element.

Back

True

Front

Why do two pieces of aluminum foil behave the same way?

Back

They are composed of the same types of atoms.

Front

What is an atom?

Back

The basic unit of a chemical element.

Front

What are the three main subatomic particles?

Back

Protons, neutrons, and electrons.

Front

What charge do protons have?

Back

Positive charge.

Front

What is the nucleus of an atom?

Back

The central part of an atom, containing protons and neutrons.

Front

What is an element?

Back

A pure substance made of only one type of atom.