1.

An element A has 2 electrons in its fourth shell.State: (a) its atomic number (b) its electronic configuration (c) its valency (d) position in the periodic table (e) is it a metal or non-metal (f) is it an oxidising or reducing agent.

Answer»

An element A has 2 electrons in its fourth shell.State:

(a) its atomic number

(b) its electronic configuration

(c) its valency

(d) position in the periodic table

(e) is it a metal or non-metal

(f) is it an oxidising or reducing agent.



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