Chemistry in Biology

Front

What is defined as anything that occupies space and has mass?

Back

Matter

Front

What is formed when two or more elements combine chemically?

Back

A chemical compound

Front

What are the positively charged particles found in the nucleus of an atom called?

Back

Protons

Front

True or False: The formation of mixtures involves chemical reactions.

Back

False

Front

True or False: Air is an example of matter.

Back

True

Front

What is the term for a substance made of two or more different types of atoms bonded together?

Back

Chemical compound

Front

What is the charge of electrons?

Back

Negatively charged

Front

What is the nucleus of an atom composed of?

Back

Protons and neutrons

Front

What is the difference between a mixture and a compound?

Back

A mixture is a physical combination of substances, while a compound is a chemical combination of elements.

Front

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

Back

Atom