Chpt. 10 - Basics Of Chemistry Flashcards
ACIDS?
Solutions that have a pH below 7.0, and turn litmus paper from blue to red.
ALKALIS?
Solutions that have a pH above 7.0 and turn litmus paper from red to blue.
ALKANOLAMINES?
Substances used to neutralize acids or raise the pH of many hair products.
AMMONIA?
Colorless gas with a pungent odor. Composed of hydrogen and nitrogen.
ANION?
An ion with a negative electrical charge.
ATOM?
Smallest particle of an element that still retains the properties of that element.
CATION?
An Ion with a positive electrical charge.
CHEMICAL CHANGE?
Change in the chemical and physical properties of a substance due to a chemical reaction that creates a new substance or substances.
CHEMICAL PROPERTIES?
Characteristics that can only be determined by a chemical reaction and a chemical change in the substance.
CHEMISTRY?
Science that deals with the composition, structures, and properties of matter, and how matter changes under various conditions.
COMBUSTION?
Rapid oxidation of a substance, accompanied by the production of heat and light.
COMPOUNDS?
Combinations of two or more atoms of different elements chemically joined together.
ELEMENT?
The simplest form of matter; it cannot be broken down into a simpler substance without a loss of identity.
ELEMENTAL MOLECULES?
A chemical combination of atoms of the same element.
EMULSION?
An unstable mixture of two or more immiscible substances united with the aid of an emulsifier.
EXOTHERMIC?
Chemical reactions that produce heat.
GLYCERIN?
Sweet, colorless, oily substance used as a solvent and moisturizer in skin and body creams.
HYDROPHILIC?
Water loving.
IMMISCIBLE?
Not capable of being mixed.