and even man-made?The total number of elements known at present is more than 100.Ninety-two elements are naturally ocurring and the rest are man-made.Please help me!
2007-03-20
03:36:36
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1 answers
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asked by
Meghana Singh
2
in
Science & Mathematics
➔ Chemistry
I don't need a pictorial valency chart ,I need something like:-
Hydrogen-H+
Iodide-I-
Chloride=Cl-
A simplified valency chart like this which is alphabetical..I am in standard tenth,so according to that standard!!!
2007-03-20
04:22:45 ·
update #1