Compounds & Counting Atoms Review

Front

How many electrons are needed in the outer energy levels of most atoms for the atom to be chemically stable?

Back

8

Front

Which part of an atom has no charge?

Back

Neutrons

Front

In an atom, what is the number of protons equal to?

Back

The number of electrons

Front

What determines the type of element an atom makes?

Back

The number of protons

Front

Which of the following represents an element: H2O, H, NaCl, CaCO3?

Back

H

Front

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

Back

Atom

Front

What are the three main subatomic particles in an atom?

Back

Protons, Neutrons, Electrons

Front

What is the charge of protons?

Back

Positive

Front

What is the charge of electrons?

Back

Negative

Front

What is the charge of neutrons?

Back

No charge