Atoms and the Periodic Table

Front

Which of these substances are elements? Options: hydrochloric acid, carbonic acid, oxygen, helium, carbon dioxide, water.

Back

oxygen and helium

Front

The tiny particles that make up all matter are called

Back

atoms

Front

Plastic is used to cover the copper wires in the power cords of appliances because plastic differs from copper in

Back

electrical conductivity

Front

Which model is used by scientists to determine the properties of elements?

Back

the Periodic Table

Front

Because copper is a metal, it is

Back

a good conductor of heat

Front

What is all living and nonliving material composed of?

Back

elements

Front

What particle in the atom has a positive charge?

Back

proton

Front

What is the particle in the atom that has no charge?

Back

neutron

Front

The particle in the atom that has a negative charge is called?

Back

electron

Front

The area outside the nucleus where a particle moves around is called?

Back

electron cloud