The smallest unit of matter
Atom
The number of elements known to science today
118
Any substance that occupies space and has mass
Matter
The substance that is dissolved in a solution
Solute
This is used to measure the acidity & alkalinity of substances
pH Scale
Two or more atoms joined together
Molecule
A stable mixture of two or more substances
Solution
The number of elements that occur naturally on Earth
98
When immiscible liquids are combined, they form
Suspensions
A substance that releases oxygen
Oxidizing agent
O2 is this kind of molecule
Elemental molecule
things that should not be mixed or even stored near each other are
Incompatible
The document used before the SDS
MSDS (material safety data sheet)
You must have this available for every chemical in the spa
SDS
Chemical reaction releasing heat
Exothermic reaction
Neutrons & Protons are found here
Nucleus
Most states and counties do not currently regulate this
Disposal of chemicals
The number of categories in the SDS
16
Hydrogen peroxide should never be mixed with this
Bleach
All acids owe their chemical reactivity to this
Hydrogen ion
H2O is an example of this type of molecule
Compound molecule
Chemical reaction that absorbs heat
Endothermic reaction
The effects of cosmetics and beauty products are based on this
How the body reacts to chemicals
The ability of iron to rust
Chemical properties
All liquids are either
Miscible or immiscible