Atomic Structure

Front

A combination of two or more atoms is called a?

Back

Molecule

Front

What is the category of Au (Gold) on the periodic table?

Back

Metal

Front

What is the category of He (Helium) on the periodic table?

Back

Noble gas

Front

What is the charge of a proton?

Back

Positive

Front

How many neutrons does calcium have?

Back

20

Front

What is the smallest unit of an element?

Back

Atom

Front

What are the three main subatomic particles?

Back

Protons, Neutrons, Electrons

Front

What is the charge of an electron?

Back

Negative

Front

What is the center of an atom called?

Back

Nucleus

Front

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

Back

Approximately equal