Back to AI Flashcard MakerAnatomy and Physiology /Hair Chemistry: Foundations Ch 06 Vocabulary Chemistry and Chemical Safety Part 1
Hair Chemistry: Foundations Ch 06 Vocabulary Chemistry and Chemical Safety Part 1
This deck covers key vocabulary and concepts related to chemistry and chemical safety as applied to hair care, including pH levels, chemical reactions, and the properties of various substances.
A solution that has a pH below 7 (neutral).
Acidic solution
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Key Terms
Term
Definition
A solution that has a pH below 7 (neutral).
Acidic solution
When acids are mixed with alkalis in equal proportions, balancing the total pH and forming water (H2O) and a salt.
Acid-alkali neutralization reactions
A solution that has a pH above 7 (neutral).
Alkaline solution
Also known as bases; compounds that react with acids to form salts.
Alkalis
Alkaline substances used to neutralize acids or raise the pH of many hair products.
Alkanolamines
Acids derived from plants (mostly fruit) that are often used to exfoliate the skin.
Alpha hydroxy acids (AHAs)
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| Term | Definition |
|---|---|
A solution that has a pH below 7 (neutral). | Acidic solution |
When acids are mixed with alkalis in equal proportions, balancing the total pH and forming water (H2O) and a salt. | Acid-alkali neutralization reactions |
A solution that has a pH above 7 (neutral). | Alkaline solution |
Also known as bases; compounds that react with acids to form salts. | Alkalis |
Alkaline substances used to neutralize acids or raise the pH of many hair products. | Alkanolamines |
Acids derived from plants (mostly fruit) that are often used to exfoliate the skin. | Alpha hydroxy acids (AHAs) |
Colorless gas with a pungent odor that is composed of hydrogen and nitrogen. | Ammonia |
An ion with a negative electrical charge. | Anion |
The smallest chemical components (often called particles) of an element; structures that make up the element and have the same properties of the element. | Atoms |
A substance that causes or is believed to cause cancer. | Carcinogen |
An ion with a positive electrical charge. | Cation |
A change in the chemical composition or make-up of a substance. | Chemical change |
Characteristics that can be determined only by a chemical reaction and a chemical change in the substance. | Chemical properties |
Science that deals with the composition, structures, and properties of matter and how matter changes under different conditions. | Chemistry |
Material that is capable of igniting and burning. | Combustible |
Rapid oxidation of a substance accompanied by the production of heat and light. | Combustion |
A chemical combination of two or more atoms of different elements in definite (fixed) proportions. | Compound molecules (aka compounds) |
Subatomic particles with a negative charge. | Electrons |
The simplest form of chemical matter; it cannot be broken down into a simpler substance without a loss of identity. | Element |
Molecule containing two or more atoms of the same element in definite (fixed) proportions. | Elemental molecule |
An ingredient that brings two normally incompatible materials together and binds them into a uniform and fairly stable mixture. | Emulsifier |
An unstable physical mixture of two or more immiscible substances (substances that normally will not stay mixed) plus a special ingredient. | Emulsion |
Chemical reaction that requires the absorption of energy or heat from an external source for the reaction to occur. | Endothermic reaction |
Chemical reaction that releases a significant amount of heat. | Exothermic reaction |
Material that is capable of igniting and burning, and easier to ignite than combustible material. | Flammable |
Sweet, colorless, oily substance used as a solvent and as a moisturizer in skin and body creams. | Glycerin |
An alpha hydroxy acid used in exfoliation and to lower the pH of products. | Glycolic acid |
Capable of combining with or attracting water (water loving). | Hydrophilic |
Liquids that are not capable of being mixed together to form stable solutions. | Immiscible |
Substances that should not be mixed or even stored near each other. | Incompatible |
An atom or molecule that carries an electrical charge. | Ion |