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CBSE Class 9 Answered

an element x show 2 valancies of 3&5. workout the formula of 2 oxide of this element.  
Asked by ajitchauhanrss | 31 Oct, 2019, 10:07: PM
answered-by-expert Expert Answer
Given:
 
Valency of an element(E) is 3 and 5
 
Formula of oxide can be find out by criss-cross method:
 
For valency = 3
 
 
For valency = 5
 
Answered by Varsha | 01 Nov, 2019, 09:31: AM
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