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A) Where do you think hydrogen should be placed in the modern periodic table? B) How is the valency of an element determined from its position in the modern periodic table?

Asked by 3rd March 2013, 11:37 AM
Answered by Expert
seperately in the gp I, where it is.
by knowing the position of the element in the periodic table, write its electronic configuration. this indicates its valency.
Answered by Expert 4th March 2013, 7:25 PM
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