Pre-AP Chem Ch. 6
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17 terms
Terms | Definitions |
|---|---|
 Alkali Metals | Group 1, 1 electron in outer level, very reactive, soft, silver, shiny, low density; Lithium, Sodium, Potassium, Rubidium, Cesium, Francium |
| Alkaline Earth Metals | Any metal in group 2A of the periodic table |
| Anion | a negatively charged ion |
| Atomic Radius | one-half of the distance between the center of identical atoms that are not bonded together. |
| Cation | a positively charged ion |
| Electronegativity | the tendency of an atom or radical to attract electrons in the formation of an ionic bond |
| Halogens | group 17; contains nonmetals; 7 electrons in its outermost energy level; very reactive; poor conductors of electric current; never in its uncombined form in nature; combine with most metals to form salts |
| Inner Transition Metal | a type of group B element that is contained in the P-block of the periodic table and is characterized by a filled outermost S orbital, and filled or partially filled 4F and 5F orbital |
| Ion | a particle that is electrically charged (positive or negative) |
| Ionization Energy | the amount of energy required to remove an electron from an atom |
| Metalloids | elements that have characteristics of metals and nonmetals |
| Metals | have a shiny or metallic luster, good conductors of heat and electricity |
| Noble Gases | one of the elements of group 18 of the periodic table(helium, neon,argon, krypton, xenon, and radon); noble gases are unreactive |
| Nonmetals | elements that are usually dull in appearance, poor conductors of heat and electricity, gases at room temperature |
| Periodic Law | the principle that chemical properties of the elements are periodic functions of their atomic numbers |
| Representative Elements | a group in the periodic table which includes metals, metalloids, and nonmetals |
| Transition Metal | An Element in group 3 through 12 of the periodic table |
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