Middle of Year Review

Front

How many protons does Cu have?

Back

29

Front

How many atoms of Hydrogen are in 5 H₂O?

Back

10

Front

What charge will an atom have if it gains one electron?

Back

-1

Front

The particles in an atom that are neutral (have no charge) are called __________.

Back

neutrons

Front

A row on the Periodic Table of Elements is called a __________.

Back

period

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the charge of a proton?

Back

+1

Front

What is the charge of an electron?

Back

-1

Front

What are the three main subatomic particles?

Back

Protons, Neutrons, Electrons.

Front

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

Back

Approximately equal.