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| States that when the elements are arranged by increasing atomic number, there is a periodic repetition of their properties |
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| In the Periodic Table, a vertical column that contains elements having the same number of electrons in the outermost shell of their atoms. |
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| any of the seven horizontal rows that contain elements arranged in order of increasing atomic number. |
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| Representative elements are Groups I & II on the left and Groups III - VIII on the right. |
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| The 38 elements in groups 3 through 12 of the periodic table |
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| A solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity. |
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Any of the elements lithium, sodium, potassium, rubidium, cesium, and francium, occupying Group IA (1) of the periodic table. They are very reactive, electropositive, monovalent metals forming strongly alkaline hydroxides
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| Highly reactive metals found in group 2 |
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| any element in the d-block of the periodic table, which includes groups 3 to 12 on the periodic table. |
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| two series of elements known as the lathanoids and actinoids |
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comprises the fifteen metallic chemical elements with atomic numbers 57 through 71, from lanthanum through lutetium |
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| encompasses the 15 metallic chemical elements with atomic numbers from 89 to 103, actinium through lawrencium |
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| a term used in chemistry when classifying the chemical elements |
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a chemical series of nonmetal elements from Group 17 IUPAC style (formerly: VII, VIIA) of the periodic table comprising fluorine, chlorine bromine iodine and astatine |
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| the chemical elements in group 18 of the periodic table. |
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| the elements found along the stair-step line that distinguishes metals from non-metals |
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| oneoftheelectricallychargedparticlesformedinagasbyelectricdischargeorthelike. |
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| The energy required to remove an atom from a gaseous atom |
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| the statement that when atoms combine to form molecules they generally each lose, gain, or share valence electrons until they attain or share eight |
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| assumingnegativepotentialwhenincontactwithadissimilarsubstance. |
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