Science, asked by lokesh30121968, 1 year ago

the atomic number of element X is 20and to which group the period of modern period table x belongs to . state it's valency . and write down the EC

Answers

Answered by madhavgupta200pa3ir0

1

Ec 2,8,8,2

Period: 4

Group: 2

Valency: 2

lokesh30121968: isn't calcium 20

lokesh30121968: ec should be 2 ,8,,8,2

madhavgupta200pa3ir0: Yeah

lokesh30121968: then tf u wrote 2,8,8

madhavgupta200pa3ir0: ya i corrected it

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