Basic Chemistry

Front

What are the two subatomic particles found in the nucleus of an atom?

Back

Neutrons and Protons

Front

If an atom of carbon has 6 protons and 7 neutrons, how many electrons does it have if it is neutral?

Back

6

Front

What is the smallest 'building block' of the elements that make up the universe?

Back

An atom

Front

What is a diatomic element?

Back

A molecule composed of two atoms, which can be of the same or different chemical elements.

Front

Which subatomic particle gives an atom a positive charge?

Back

Proton

Front

What is the charge of a neutron?

Back

Neutral (no charge)

Front

What is the charge of an electron?

Back

Negative charge

Front

How do you determine the atomic number of an element?

Back

The atomic number is equal to 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 difference between an atom and a molecule?

Back

An atom is the smallest unit of an element, while a molecule is a group of two or more atoms bonded together.