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Milady Ch F6 Chemistry

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  • An ion with a negative ( - ) electrical charge
    Anion
  • Chemical reaction that requires the absorption f energy or heat from an external source for he reaction to occur
    Endothermic reaction
  • The smallest components of an element that make up the element and have the same properties
    Atom
  • Rapid oxidation of a substance accompanied by the production of heat and light
    Combustion
  • A very strong alkali used in chemical products and cleaners; commonly known as lye
    Sodium hydroxide
  • A solution that has a pH above 7
    Alkaline solution
  • A change in the form or physical properties of a substance without a chemical reaction
    Physical Change
  • Subatomic particles with a negative ( - ) charge
    Electrons
  • Chemical reaction that releases a significant amount of heat
    Exothermic reaction
  • Special type of oil used in hair conditioners, water-resistant lubricants for the skin, and nail polish dryers
    Silicones
  • A solution that has a pH below 7
    Acidic Solution
  • The substance that dissovles the solution
    Solvent
  • Liquids that are not capable of being mixed together to form stable solutions
    Immiscible
  • A substance that causes or is believed to cause cancer
    Carcinogen
  • Includes safety information about products compiled by the manufacturer
    Safety Data Sheet, or SDS
  • Alcohols taht evaporate easily
    Volatile alcohols
  • Liquids that are mutually soluble, meaning that they can be mixed together to form stable solutions
    Miscible
  • Any substance that occupies space and has mass (weight)
    Matter
  • An atom or molecule that carries an electrical charge
    Ion
  • An ion with a positive ( + ) electrical charge
    Cation
  • Acids derived from plants (mostly fruit) thar are often used to exfoliate the skin
    Alpha Hydroxy Acids
  • Substances that should not be mixed or even stored near each other
    Incompatible
  • A substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound
    Reducing agent
  • Having an affinity for or an attraction to fat and oils (oil-loving)
    Lipophilic
  • A stable, uniform mixture of two or more substances
    Solution
  • Unstable physical mixutres of undissolved particles in a liquid
    Suspensions
  • A chemical combination of two or more atoms in definite proportions
    Molecule
  • The science that deals with the cojposition, structures, and properties of atter and how matter changes under different conditions
    Chemistry
  • Represents the quantity of hydrogen ions
    pH or potential Hydrogen
  • A chemical reaction in which the oxidizing agent is reduced (by losing oxygen) and the reducitn agent is oxidized (by gaining oxygen)
    Oxidation-Reduction or REDOX
  • Colorless gas with a pungent odor that is composed of hydrogen and nitrogen
    Ammonia
  • A chemical combination of two more atoms of different elements in definite proportions
    Compound Molecules
  • When acids are mixed with alkalis in equal proportions, balancing the total pH and forming water and salt
    Acid-alkali neutralization reactions
  • A contraction of surface active agents; substances that allow oil and water to mix, or emulsify
    Surfactants
  • Prolonged, repeated, or long-term exposure that can cause sensitivity
    Overexposure
  • The simplest form of a chemical matter; cannot be broken down into a simpler substance without a loss of identity
    Element
  • The substance that is dissolved in a sloution
    Solute
  • A change in the chemical composition or make-up of a substance
    Chemical Change
  • An ingredient that brins two normally incompatible materials together and binds them into a uniform and fairly stable mixture
    Emulsion
  • A colorless liquid or white crystals with a strong unpleasant odor that is used in permanent waving solutions
    Thioglycolic acid
  • Capable of combining with or attracting water (water-loving)
    Hydrophilic
  • Subatomic particles with a positive ( + ) charge
    Protons