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ExamScienceSGuide
| Question | Answer |
|---|---|
| a mixture in which particles of a material are more or less evenly dispersed throughout a liquid or gas | suspension |
| a mixture with tiny particles that are intermediate in size between those solutions | colloid |
| any mixture of two or more immiscible liquids in which one liquid is dispersed in the other | emulsion |
| a homogenous mixture throughout which two or more substances are uniformly dispersed | solutions |
| the substance that dissolves in the solvent | solute |
| in a solution, the substance in which the solute dissolves | solvent |
| a solid or liquid mixture of two or more metals | alloy |
| describes a molecule where the positive and negative charges are seperated | polar |
| describes a molecule where the centers positive and negative charges are not sperarated | non polar |
| a solution that cannot dissolve any more solute under the given conditions | saturated solution |
| the ability of one substance to dissolve in the other at a given temperature and pressure | solubility |
| the amt of a particular substance in a given quantity of a mixture, solution, or ore | concentration |
| a solution that contains less than a saturated solution and is able to dissolve | unsaturated solution |
| a solution that holds more solute than is required to reach equilibrium | supersaturated solution |
| the force that holds ions or atoms together | chemical bond |
| the arrangement of atoms in a substance | chemical structure |
| average distance between the nuclei of two bonded atoms | bond length |
| a bond formed by the attraction of positively charged metal ions | metallic bond |
| angle formed by two bonds of the same atom | bond angle |
| a bond formed when atoms share one or more electrons | covalent bond |
| the attractive force between separately charged ions | ionic bond |
| an ion made of two or more ions | polyatomic bond |
| a cation is ___ charged | positively |
| an anion is ___ charged | negatively |
| horizontal row of elements | period |
| organization of the elements by atomic number | periodic law |
| an atom or molecule that has gain or lost an electron and now has a negative or positive charge | ion |
| vertical column of elements | group |
| an area that electrons can usually be found in | orbital |
| group 1 of the periodic table is known as the _______ | alkali metals |
| a bond where two ions share electrons | covalent bond |
| a bond where an atom steals electrons | ionic bond |
| group 18 of the periodic table is known as the _____ | noble gases |
| group 17 of the periodic table is known as the _____ | halogens |
| group 2 of the periodic table is known as the ____ | alkaline earth metals |
| group 6 of the periodic table is known as the _____ | transition metals |
| the group of elements to the right of the metal/non metal red line are called the | non metals |
| the group of elements to the left of the metal/nonmetal red line are called the | metals |
| upper series of elements placed at the bottom of the perioidic table | lanthanoids |
| lower series of elements placed at the bottom of the periodic table | actanoids |
| a substance that forms in a chemical reaction | product |
| a substance that participates in the chemical reaction | reactant |
| the energy released when a chemical compound reacts to produce new compounds | chemical energy |
| a chemical reaction that requires energy imput | endothermic reaction |
| a state of balance in which the rate of a forward reaction equals the rate of the reverse reaction | chemical equilibrium |
| the odixation reaction of an organic compound where heat is released | combustion reaction |
| a reaction where the multiple substances combine to form a new substance | synthesis reaction |
| a reaction in which a single compound breaks down to form one or more simpler substances | decomposition reaction |
| any chemical change in which one species is oxidized and the other is reduced | oxidation reduction reaction |
| a reaction where a gas, a solid perticipate, or a molecular compound forms from the apparent exchange of atoms or ions between two compounds | double displacement reaction |
| a reaction where one element takes the place of another | single displacement reaction |
| mixture that has no fixed composition | heterogeneous mixture |
| mixture that looks uniform but its particles are too small to be seen | homogeneous mixture |
| mono | one |
| di | two |
| tri | three |
| tetra | four |
| penta | five |
| hexa | six |
Created by:
brittney143
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