Anything that has mass and takes up space.

Tearing a piece of paper.

Smallest part of an element that still has the chemical properties of an element.

An organizational tool used by scientists to order the elements by atomic number and similar properties.

H

A change in size, shape, or state of matter.

Baking a cake.

The center of an atom.

One or two letters that represents the name of an element.

C

A change in matter that results in a new substance and new properties.

Carving a statue.

A particle in the nucleus of an atom that has a positive charge.

A substance that cannot be broken down by any other ordinary substance or means.

N

Matter made up of two or more elements chemically combined.

Melting ice cream.

A particle in the nucleus of an atom that has no charge.

The number that represents the number of protons and electrons in an atom.

Fe

A particle made up of a group of atoms that are chemically bonded.

Making lemonade.

A particle in an atom that has a negative charge.

The person who invented the periodic table that is still in use today.

Au