Ch 12 Chemistry

What is a chemical combination of matter in definite proportions?

What is the simplest form of chemical matter?  It cannot be broken down w/o loss of identity.

What is an oxidizing agent?

What type of emulsion has lipophilic tails pointing out and hydrophilic heads pointing in?

What does pH stand for?

In this type of emulsion, the lipophilic tails are pointing in the hydrophilic heads are out?

What is the science that deals with the composition, structures, and properties of matter?

What is a change in the chemical composition or makeup of a substance?

What is a cation?

What are unstable physical mixtures of undissolved particles in a liquid?

A pH above 7 is what type of solution?

What are compounds that contain carbon and evaporate easily?

Chemically combining two or more atoms produces what?

What are characteristics that can only be determined by a chemical reaction and change?

What are substances that allow oil and water to mix or emulsify?

What is a colorless gas with a pungent odor that is composed of hydrogen and nitrogen?

What is a sweet, colorless, oily substance that is used as a solvent and moisturizer?

What is lipophilic?

What is an unstable mixture of two or more immiscible substances plus a binding ingredient?

What is a chemical reaction that combines a substance with oxygen to produce an oxide?

What is a substance that occupies space and has mass (weight)?

What are chemical combinations of two or more atoms of different elements in fixed proportions?

What type of scale is the pH scale?

Elements differ from one another because of the difference in the structure of their:

What is the separation of an atom or molecule into positive and negative ions?

What is the rapid oxidation of a substance, accompanied by the production of heat and light?

What is the study of substances that contain the element carbon?

What is a stable mixture of two or more substances?

What type of chemical reactions can release a significant amount of heat?

What are alkaline substances that are used to neutralize acids or raise the pH?

What is the universal solvent?

What is a chemical combination of two or more atoms in fixed proportions?

What type of liquids are not capable of being mixed together to form stable solutions?

What are the smallest chemical components of an element?

What are alcohols that evaporate quickly?

A pH below 7 is considered what?

What is a molecule containing two or more atoms of the same element  in fixed proportions?

If liquids are mutually soluble, meaning that they can be mixed together, they are said to be?

What is a substance that is dissolved into a solvent?

A chemical reaction in which the oxidizing agent is reduced and the reducing agent is oxidized?

What is the study of substances that do not contain the element carbon?

What are the three states of matter?

What is a physical combination of matter in any proportions?

What does hydrophilic mean?

What is a special type of oil that is less greasy than other oils and forms a breathable film?

What is the substance that dissolves the solute and makes the solution?

What is a change in the physical properties of a substance w/o the creation of a new substance?

What characteristics are determined without a chemical reaction?  Includes color,size,weight

What is the process through which oxygen is subtracted from a substance?

What is an anion?