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CRIntPhysSciCh5vocab
Question | Answer |
---|---|
an atom that has a positive or a negative charge | ion |
an element or compound that conducts electric current better than an insulator does but not as well as a conductor does electricity under certain conditions | metalloid |
an element that conducts heat and electricity poorly | nonmetal |
the repeating chemical and physical properties of elements change periodically with the atomic numbers of the elements | periodic law |
a vertical column of elements in the periodic table | group |
an element that is shiny and that conducts heat and electricity well | metal |
a horizontal row of elements in the periodic table | period |
elements that are in the middle of the periodic table, groups 3-12 | transition metal |
one of the elements of Group 18 of the periodic table | noble gases |
one of the elements of Group 2 of the periodic table | alkaline-earth metals |
one of the elements of Group 1 of the periodic table | alkali metals |
one of the elements of Group 17 of the periodic table | halogens |