Chemistry, asked by jasmine02, 11 months ago

should explain.
how did it get the +2oxidation state.
how did you find which metal belong to 17th group.
how did you find the period.....
plz sent me your answers .
I will mark you the BRAINLIST...​

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Answered by ashwanit640
1

Answer:a) B

b) C

c) 3rd period. Because it has 3 shells with principal quantum number 1 ,2 ,3.

d) D it has one outer electron and is thus a metal and can form cation by losing single valence electron.It reacts with oxygen to form metallic oxide which have basic character.

Explanation:

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