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CBSE Class 9 Answered

how to conclude metals or non metals
Asked by smjaanu | 07 Mar, 2009, 05:59: PM
Expert Answer

Dear student,

The above rules are not  applicable in general. Platinum is a transition element and does not follow the above rule. A more general definition applicable for calculation of valency in this case is 'valency or valency number, is a measure of the number of chemical bonds formed by the atoms of a given element.'

Answered by | 08 Mar, 2009, 07:32: PM
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