Study

Chemistry

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  • The basic unit of matter, with a nucleus at the center surrounded by negatively charged electrons that move around the nucleus in orbits, is a(n) ___.
    atom
  • Being "capable of combining with or attracting water (water-loving)" is defined as ___.
    hydrophilic
  • Substances used to neutralize acids or raise the pH of many hair products are ___.
    alkanolamines
  • A sweet, colorless, oily substance that is used as a moisturizer in skin and body creams is ___.
    glycerin
  • What type of chemical reaction results in the oxidizing agent being reduced and the reducing agent being oxidized?
    redox
  • A stable physical mixture of two or more substances in a solvent is a(n) ___.
    solution
  • A chemical combination of matter in definite (fixed) proportions is a ___.
    pure substance
  • Chemically combining two or more atoms produces a ___.
    molecule
  • The rapid oxidation of a substance, accompanied by the production of heat and light, is known as ___.
    combustion
  • Water and alcohol ___.
    are examples of miscible liquids
  • A substance, usually liquid, that dissolves another substance to form a solution is a(n) ___.
    solvent
  • The chemical combination of two or more atoms of different elements produces a(n) ___.
    compound
  • The simplest form of chemical matter that cannot be broken down without the loss of identity is a(n) ___.
    element
  • What is the study of substances that lack the element carbon, but may contain the element hydrogen?
    inorganic chemistry
  • A common volatile organic compound used in hair spray is ___.
    ethyl alcohol
  • Which is an example of an oil-in-water emulsion of two immiscible liquids?
    silicone
    glycerin
    cold cream
    nail primer
  • Sodium chloride is an example of a(n) ___.
    compound molecule
  • Which is an example of an ammonia compound that is used to perform chemical services in a salon?
    ammonium hydroxide
    cetyl alcohol
    ionization hydroxide
    silicone solutions
  • What term refers to the separation of an atom or molecule into positive and negative ions?
    ionization
  • Mutually soluble liquids that can be mixed together to form clear solutions are ___.
    miscible
  • Change in the form of a substance that does not cause a chemical reaction is a(n) ___ change.
    physical
  • An ion with a positive electrical charge is considered to be ___.
    a cation
  • All haircolor products are organic chemicals, which means they ___.
    contain carbon and hydrogen
  • Substances that allow oil and water to mix, or emulsify, are ___.
    surfactants
  • The branch of science that applies to substances that contain carbon is called ___ chemistry.
    organic
  • What state of matter has a definite volume but takes the shape of its container?
    liquid