Chemical, definitions Flashcards
Acid
a substance that produces hydrogen ions (H+) when dissolved in water
e.g. H2SO4 (Sulfuric acid)
Base
a substance that produces hydroxide ions (OH–) when dissolved in water
E.g. MgOH (Magnesium hydroxide)
Alkaline
describes the solution made when a base is dissolved
Neutral
neither acidic or basic
Ion
an atom that has gained or lost electrons to become electrically charged
Ionic compound
a substance made up of positive and negative ions
Cation
a positively charged ion
Anion
a negatively charged ion
Polyatomic
having many atoms
Product
a substance produced by a chemical reaction
Reactant
the initial substance of a chemical reaction
Law of conservation of mass
the law that states that atoms cannot be created or destroyed during a chemical reaction
Salt
ionic compounds formed by the chemical reaction of an acid with another element or compound
Soluble
able to dissolve
Insoluble
does not dissolve
