Atomic structure

Front

What is the basic unit of matter?

Back

Atom

Front

True or False: Protons are positively charged particles found in the nucleus of an atom.

Back

True

Front

What are the three main subatomic particles?

Back

Protons, Neutrons, Electrons

Front

What charge do neutrons have?

Back

Neutrons have no charge.

Front

Where are electrons located in an atom?

Back

Electrons are located in the electron cloud surrounding the nucleus.

Front

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

Back

Protons and neutrons have about the same mass.

Front

What is the nucleus of an atom made of?

Back

The nucleus is made of protons and neutrons.

Front

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

Back

Atom

Front

What is the charge of an electron?

Back

Electrons have a negative charge.

Front

How do atoms of different elements differ?

Back

Atoms of different elements have different numbers of protons.