Front

What charge do protons have?

Back

Protons have a positive charge.

Front

What charge do neutrons have?

Back

Neutrons have a neutral charge.

Front

What charge do electrons have?

Back

Electrons have a negative charge.

Front

How many electrons are in a potassium (K) atom?

Back

Potassium (K) contains 19 electrons.

Front

What are electrons?

Back

Electrons are tiny, negatively charged particles.

Front

Identify the element with the symbol 'Li'.

Back

The element with the symbol 'Li' is Lithium.

Front

How many neutrons does Boron (B) have?

Back

Boron (B) has 6 neutrons.

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom.

Front

What is the mass number of an atom?

Back

The mass number is the total number of protons and neutrons in the nucleus.

Front

What is the role of neutrons in an atom?

Back

Neutrons help stabilize the nucleus and contribute to the mass of the atom.