Matter, Elements and Atoms

Front

What is the number of protons in the nucleus of an atom called?

Back

Atomic number.

Front

What are the electrons located on the last shell or energy level of an atom called?

Back

Valence electrons.

Front

Which of the following is NOT an example of matter: water, air, cake, or sunlight?

Back

Sunlight.

Front

What is the subatomic particle with no charge?

Back

Neutron.

Front

What do you call each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons?

Back

Isotope.

Front

What is matter?

Back

Anything that has mass and takes up space.

Front

What are the three main states of matter?

Back

Solid, liquid, gas.

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances.

Front

What is a molecule?

Back

Two or more atoms bonded together.

Front

What is a compound?

Back

A substance formed when two or more different elements are chemically bonded.