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1.a metal \'M\' forms an oxide having  formula M2O.it belongs to 4th period in the modern periodic table .identify the metal.write its atomic number and valency ?

Asked by Aarti Varshney(student) , on 8/3/11

Answers

POTASSIUM 'K ' ATOMIC NO - 19 VALENCY - 1

Posted by Tanmana Mitra(student)on 8/3/11

A THMBS UP PLZ... IF DS HELPS U.....

Posted by Tanmana Mitra(student)on 8/3/11

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