the similarity between the elements of group 18 and period 1. a) the chemical properties. b) the physical properties. c) the physical States. d) their reactivity
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the similarity between the elements of group 18 and period 1. a) the chemical properties. b) the physical properties. c) the physical States. d) their reactivity
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Answer:
Period 1 consists of H and He
Group 18 consists all the Nobel gases
The similarity between them is that they are all gases so your answer is
(C) THE PHYSICAL STATES