1.

Elements A, B and C have atomic numbers 17, 19 and 10 respectively. State which one is: i) A non-metal ii) A metal iii) Chemically inert.

Answer»

Elements A, B and C have atomic numbers 17, 19 and 10 respectively.
State which one is:
i) A non-metal
ii) A metal
iii) Chemically inert.




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