Beginning Chemistry Vocabulary Mod

A pure substance made of only one kind of atom

• Compound

• Element

Found at the top of an element, the number of protons (can also be used to tell the number of electrons) of an atom is noted by

• Mass Number

• Atomic Number

A substance that is formed as the result of a chemical reaction.

• Ion

• Product

When a solid turns into a liquid due to heat.

• Freezing

• Melting

Positive sub-atomic particle found in the nucleus of an atom that is also the atomic number of that element.

• Atom

• Proton

Repeating rows (going across the table) of the periodic table that demonstrate patterns of how elements are arranged

• Metals

• Period

A process in which one or more substances, also called reactants, are converted to one or more different substances, known as products. Example, Wood burning to make ash, smoke, and coal.

• Chemical Reaction

• Chemical Magic

Anything that has mas and takes up space

• Weight

• Matter

Sub-atomic particles with no charge / neutral charge found in the nucleus of an atom of each element.

• Atom

• Neutron

The weighted average of the masses of the isotopes of that element. Also, the sum of the protons and neutrons is equal to the

• A donkey

• Atomic Mass