Milady chapter 12

Chemistry

Sscience that deals with the composition structures and properties of matter

Organic chemistry

Contains carbon (poison ivy)

Inoragnic

No carbon, never had carbon (minerals)

Matter

Any substance that occupies space, has mass or weight

Element

Simplest form of chemical matter

Atoms

Smallest chemical components of an element

Molecule

Chemical compound of 2 or more atoms in definite proportions.

Elemental molecule

2 or more atoms of the same element in definite proportions

Compound molecules

Combination of 2 or mores toms of different elements in definite proportions

States of matter

Solid, liquid, gas

Physical properties

Characteristics determined without a reaction that do no chemical change in a substance.

Chemical properties

Characteristics that's can only be determined by a chemical change in the substance

Physical change

Can change the form or physical properties of a substance without a chemical reaction or creation of a new substance

Chemical change

Change in the chemical composition or make-up of a substance (permanently)

Oxidation

The processes of oxidizing (combined chemically with oxygen)

Oxidation reduction

looses oxygen

Oxidizing agent

Substance that releases oxygen

Reducing agent

Adds hydrogen or subtracts oxygen

Reduction

Taking away

Reduction reaction

The change during the removal process

Exothermic reactions

Releases amounts of heat

Combustion

Rapid oxidation, accompanied by heat and light

Pure substance

Chemical combination of matter in definite proportions

Physical mixture

Physical combination of matter in any proportion

Solution

Stable mixture of 2 or more substances

Solute

Substance that dissolves in a soultion

Solvent

The substance that dissolves the solute in a soultion

Miscible

can be mixed to make stable soultions (Water and alcohol)

Immiscible

Not cab able of being mixed to form a stable soultions (water and oil)

Suspension

Unstable physical mixture of undissolved particles in a liquid

Emulsion

Unstable physical mixture of two or more Immiscible substances

Emulsifier

Brings 2 incompatible materials together into a fairly stable blend

Surfactants

Allow water and oil to mix

Lipophilic

Having an affinity of or an attraction to fat and ouls

Oil in water emulsion

Oil droplets mixed into water

Water in oil emulsion

Water droplets are emulsified in oil

Volatile alcohols

Alcohol that evaporates easily

Alkanolamines

Neutralizing acid or raise the ph

Ammonia

Colorless gas with s strong odor

Glycerin

Sweet colorless oily substances used as a solvent and as a moisturizer in skin and body cream

Silicones

Special types of oil used in hair conditioners water resistant lubricants for the skin and nail polish dryers

Violate organic compounds

Compounds that contain carbon and evaporate very easily

Ph

Potential hydrogen number of hydrogen ions

Ion

An atom or molecule that carries and electrical charge

Ionization

Separation of an atom of molecule into positive and negative ions

Anion

Ion with a negative electrical charge

Cation

And ion with a positive electrical charge

Ph scale

Measure of acidity or alkalinity 0-14 >7 alkaline
<7 acidic

Alkaline soultion

Ph above 7

Acidic soultion

Ph below 7

AHA's

Acid derived from plants that are often used to exfoliate skin

Thioglycolic acid

Colorless liquid or white crystal with a strong unpleasant odor that is used in perms

Alkalis

Base. Compounds that react with acids to form salts