Chemistry Words used by chemist Chemical Man
Acid: a hydrogen-containing compound that releases hydrogen ions in solution.
Alloy: a material made up by combining two or more metals.
Analysis: breaking down a compound into two or more substances.
Anhydrous: free from water.
Atom: the smallest unit of an element that can enter into the making of a chemical compound.
Atomic weight: the weight of an atom compared with the weight of an oxygen atom set at 16.
Base: a compound containing the hy-droxide group (OH).
Catalyst: a substance that helps in a chemical reaction without itself being changed.
Chemical chance: a change of a sub-stance into another substance having different properties.
Chemistry: a branch of science dealing with the compositions of substances and the changes that can be made in them.
Combustion: burning; a chemical change that produces heat and light.
Compound: a substance consisting of two or more different kinds of atoms in definite proportions by weight.
Crystal: a solid in which atoms or mole-cules are arranged in a definite pattern.
Density: the weight of a liquid or a solid in grams per cm or milliliter.
Distillate: a liquid that has been turned into vapor and again cooled into a liquid.
Distillation: the process of producing a distillate.
Ductile: capable of being drawn out into a wire.
Electrolysis: breaking down a substance by passing an electric current through il.
Electrolyte: a substance that, when in a solution or when melted, will conduct an electric current.
Element: a substance that contains only one kind of atoms.
Equation: a complete description of a chemical reaction by the use of symbols, formulas, and signs.
Evaporation: the changing of a sub-stance into vapor: also the process of re-moving water by heating.
Filtrate: a liquid obtained by filtration. Filtration: the process of straining a liquid from a solid through porous mate-rial.usually filter paper.
Formula: a group of symbols and num-bers giving the composition of a com-pound.
Hydrate: a compound containing loosely bound water of hydration (water of crystallization) that can be driven off by heating.
Hydroxide: a compound that contains the hydroxyl (OH) radical.
Ion: an electrically charged atom or group of atoms (radical).
.Malleable: capable of being hammered or rolled into a thin sheet.
Matter: anything that lakes up space and has weight.
Metal: an element that is a good con-ductor of electricity, has luster, and whose oxide forms a base with water.
Metalloid: an element that has proper-ties of both metals and nonmetals.
Mixture: a mingling of substances not combined chemically.
Molecular weight: the sum of the atomic weights of the atoms that make up a molecule of a compound.
Molecule: the smallest unit of a com-pound that can exist in the free state.
Neutralization: the reaction of an acid and a base to give a salt and water.
Nonmetal: an clement that is a poor conductor of electricity", does not have luster, and whose oxide forms an acid when combined with water.
Organic chemistry: the chemistry of the carbon compounds.
Oxidation: the process by which a sub-stance combines with oxygen.
Precipitate: an insoluble solid formed in a solution by chemical reaction.
Radical: a group of atoms that behave chemically as a single atom.
Reaction: a chemical change.
Reduction: removal of oxygen; the op-posite of oxidation.
Salt: compound (other than water) formed by the reaction of an acid and a base.
Saturated solution: a solution that contains the maximum amount of solute under the conditions.
Solubility: the number of grams of a solute needed to make a saturated so-
lution in 100 grams of solvent.
Solute: the substance dissolved in a solvent.
Solution: a non-settling mixture of a solute in a solvent.
Solvent: a liquid in which a solute is dissolved.
Sublimation: a process b\" which a sol-id is turned into vapor and again cooled into a solid without passing through a liquid stage.
Subscript: a small numeral indicating
the number of atoms of a certain
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