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Chemistry Glossary

A

acid
a chemical that has a sour taste and can corrode metal
antacid
a medicine that helps to change the acidity of stomach acid
atom
the smallest building block of all matter

B

base
a chemical that has a bitter taste and is opposite of an acid

C

chemical changes
a change to any matter that happens to the atoms that make up that matter
chemical properties
the behavior of a chemical
chemist
a scientist who studies chemistry
chemistry
the study of matter and its changes
compound
when two or more elements are bound together
corrode
to wear away matter such as a metal

E

electrons
particles of an atom that are negatively charged and orbit the nucleus
elements
matter that is made from only one kind of atom

F

formula
a recipe for a compound, usually written using letters to represent elements and numbers to represent the number of atoms

I

ignite
to catch fire

L

laboratories
a special room where scientific research and experiments take place
litmus paper
a special paper used for determining if a chemical is an acid or a base

M

matter
anything that has weight or mass and takes up space

N

neutrons
particles of an atom that are not charged and gather in the nucleus of an atom
nucleus
the collection of protons and neutrons in the center of an atom

P

Periodic Table of Elements
a table which organizes the elements by their weight
physical changes
a change to any matter that happens to the physical look or temperature of that matter
physical properties
the color, size, temperature, feel, smell, or other way of defining how an object looks
protectant
a chemical that protects fabric or leather
protons
particles of an atom that are positively charged and gather in the nucleus of an atom

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