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S8P1.f
Recognize that there are more than 100 elements and some have similar properties
Term | Definition |
---|---|
37. periodic table | a chart that organizes information about all of the known elements according to their properties |
38. period | in chemistry, a horizontal row of elements in the periodic table |
39. group | a vertical column of elements in the periodic table; elements in a group share chemical properties |
40. valence electrons | an electron that is found in the outermost shell of an atom and that determines the atom's chemical property |
41. Reactivity | describes how likely an element is to form bonds with other elements |
42. Metalloid | elements that have properties of both metals and nonmetals |
43. Inert | unable to react chemically under normal circumstances |