Question

the atomic number of an element X is 13 write its electronic configuration and on the basic of of this configuration determine its group number and product number if the element X react with another element Y of an atomic number 72 from a compound write the nature and formula of the compound formed

Answer 1

atomic no. 13
electronic configuration- 2,8,3
group - 13

Answer 2

x is aluminum
configuration
-k-2
l-8
m-3
group number 3
compound will be ionic compound because it react with metal with non metal



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