Chapter 5 Bonding Test

Which periodic table group has 2 electrons in their outer most energy level? a. group 1 (alkaline metals) b. group 17 (halogens) c. group 16 (oxygen family) d. group 2 (alkaline earth metals) An element’s properties can be predicted from its. a. number of isotopes b. location on the periodic table. c. number of neutrons d. atomic mass ................
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