Atoms

Front

What is the center of an atom called?

Back

nucleus

Front

Which subatomic particle has no charge?

Back

neutron

Front

Where can you find a list of all known elements?

Back

Periodic Table of Elements

Front

What are the three main subatomic particles that make up an atom?

Back

electrons, protons, neutrons

Front

What charge does a proton have?

Back

positive

Front

What is the charge of an electron?

Back

negative

Front

What is the mass of a neutron compared to a proton?

Back

approximately the same

Front

What is the smallest unit of an element that retains its properties?

Back

atom

Front

What is the term for the number of protons in the nucleus of an atom?

Back

atomic number

Front

What do we call atoms of the same element that have different numbers of neutrons?

Back

isotopes