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GENERAL
GENERAL
GENERAL
GENERAL
GENERAL
100
Smallest particle of an element that has all properties of that element
Atom
100
A solution that has a pH below 7 , turns litmus paper from blue to red.
Acid
100
A solution that has a pH above 7 and turns litmus paper from red to blue.
Alkali
100
The simplest form of matter
Element
100
What is chemistry?
Science that deals with the composition, structures and properties of matter.
200
What is combustion?
Rapid oxidation of a substance acompanied by heat and light.
200
What does "volatile" mean?
Evaporates easily
200
Substance that dissolves the solute to form a solution
Solvent
200
Measure of acidity or alkalinity of a substance.
pH
200
An atom or molecule that carries an electrical charge
Ion
300
a sweet, colorless, oily substance used as a moiturizing ingredient in cosmetics
glycerin
300
Word for loves water
Hydrophilic
300
What is matter?
Substance that occupies space and has mass
300
What does miscible mean?
Can be mixed with another liquid without separating
300
A stable mixture of two or more mixable substances
solution
400
The addition of oxygen,to or the substraction of hydrogen from a substance.
Oxidation
400
What is reduction?
The subtraction of oxygen from or the addition of hydrogen to a substance.
400
Special types of ingredients used in hair conditioners or lubricants for the skin.
silicones
400
A substance that is dissoved in a solution.
solute
400
Contraction for reduction-oxidation; chemical reaction in which oxidizing agent is reduced and the reducing agent is oxidized.
redox
500
A chemical combination of matter, in definte proportions
Pure substance
500
An unstable mixture of undissolved particles in a liquid.
suspension
500
Chemical reactions which produce heat.
exothermic
500
A physical combination of matter in any proportions
physical mixture
500
Chemical combinations of atoms of the same element.
elemental molecules