Question

⭐An element R of atomic number 12 combines separately with nitrate, sulphate and phosphate radicals.

a) Write the electronic configuration of element R?

b) Write the formulae of the three compounds so formed?

C) To which group of the periodic table does the element 'R' belong?

D) does it form Covalent or ionic compound? Why?⭐

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Answer 1

a)2,8,2 or 1s^2,2s^2,2p^6,3s^2
b)mg(no3)2,mgso4,mg3(po4)2
c)2nd group
d)both ionic and covalent
hope it will help you

Answer 2

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Answer:-

a) at. no of R =12

electronic configuration=2,8,2

b) Compounds formed by R with:-


Nitrate - R(NO3)2
Sulphate- RSO4
Phosphate- R3(PO4)2

c) It belongs to second Group of periodic table.


d)It will form a ionic bond because it will donate its two electrons to gain stability ,a covalent bond is formed between two non metals while here the Element R is a metal.



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