1.a noble gas in period 2
2.an element that does not belong to any family
3.a transition meta...
Chemistry, 18.03.2021 01:30 chriscook4471
1.a noble gas in period 2
2.an element that does not belong to any family
3.a transition metal in period 5
4.a halogen
5.an alkaline carth metal
6.a metalloid in period 3
7.an alkali mctal in period 4
8.a nonmetal in group 5A
9.a metal in period 7
10.a metalloid in group 5A
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