two elements A and B belong to group 1 and 2 respectively in the same period. compare them with respect to:
a) no. of valence electron
b) valency
motug2cool:
mmmm
my mom won't allow to do that
it's hindi today
how was ur exam?
which? i didn't have hindi,..... i just told about my friends
oh...uh took sanskrit?
yep
done? SST.....
ha
what r u doing now?sleeping?
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(A)Lethium &(B) beryllium are those elements who belong to group 1 & 2 ,in the same period.
1) no. Of valence electrons
i) lethium= 1
ii) beryllium = 2
2) Valency
i) lethium= 1
ii) beryllium = 2
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