Term
|
Definition
| Descprition of how a substance interacts with other substances, such has acids; chemical properties are observable only when a chemical change occurs |
|
|
Term
|
Definition
| Change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones |
|
|
Term
|
Definition
| Substance made of only one kind of matter, which has a unique set of properties |
|
|
Term
|
Definition
| Pure Substance that cannot be broken down into other substances; substance made up of only one type of atom |
|
|
Term
|
Definition
| A table in which the elements are organized bu their physical and chemical properties |
|
|
Term
|
Definition
| Chemical combination of two or more elements in a specific ratio |
|
|
Term
|
Definition
| Combination of pure substances; unlike a compound, the components of a mixture do not combine chemically and are not always in the same ratio |
|
|
Term
|
Definition
| A mixture in which the different substances are visible e.g. Package of vegetables |
|
|
Term
|
Definition
| Homogeneous mixture; mixture of two or more substances that look like one substance |
|
|
Term
|
Definition
| A solution in which water is the solvent |
|
|
Term
|
Definition
| A cloudy mixture in which tiny particles of one substance are held within another |
|
|
Term
|
Definition
| A cloudy mixture in which the particles are so small that they cannot be easily seperated |
|
|
Term
|
Definition
| An action in which heat energy is absorbed into a compound resulting in a drop in temperature outside of an atom and an increase in temperature inside an atom |
|
|
Term
|
Definition
| A chemical reaction that absorbs heat energy because the reactants contain less stored energy than the products |
|
|
Term
|
Definition
| A mixture of a metal and a non-metal where an atom transfers electrons to another atom of a different element. Characteristics include high melting/boiling point, Conduct electricity and solid at room temperature |
|
|
Term
|
Definition
| A mixture of two non-metals. Also known as Pure Substances. Characteristics include low melting point, not a good conductor, good insulators |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
| Law of Conservation of Mass |
|
Definition
| In a chemical reaction, the total mass of the reactants, is always equal to the total mass of the products |
|
|
Term
| Law of Definite Composition |
|
Definition
| Compounds are pure substances that contasin two or more elements combined together in fixed proportions e.g. Water 11% Hydrogen 89% Oxygen, Hydrogen Peroxide 6% Hydrogen and 94% Oxygen |
|
|
Term
|
Definition
| Workplace Hazardous Material Information System |
|
|
Term
|
Definition
| The weight of the atom measured in Atomic Mass Units AMU's |
|
|
Term
|
Definition
| A substance that helps a chemical reaction proceed quicker. It adds to the chance that atoms will collide to form new substances |
|
|
Term
|
Definition
| When two atoms share electrons |
|
|
Term
|
Definition
| A sub atomic particle that has a positive charge. Contained within the nucleus of an atom |
|
|
Term
|
Definition
| A subatomic particle that has a 0 charge |
|
|
Term
|
Definition
| A subatomic particle that carries a negative charge |
|
|
Term
|
Definition
| Enzymes are proteins that catalyze chemical reactions in enzymatic reactions |
|
|
Term
|
Definition
| Combustion or burning is the sequence of exothermic chemical reactions between a fuel and an oxidant accompanied by the production of heat and conversion of chemical species |
|
|
Term
|
Definition
| A series of non-metals in group 17 |
|
|
Term
|
Definition
| A group of extremly reactive metals. Reactive because they are only one electron away from being a noble gas |
|
|
Term
|
Definition
| any change not involving a change in the substance's chemical identity |
|
|
Term
|
Definition
| The process of a liquid becoming a gas due to heat |
|
|
Term
|
Definition
| An art that combined both science and mythical powers..... |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
