periodic classification
Quiz by manju
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5 questions
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- Q1The law of octaves was proposed byavogadromooselyNewlandmendeleev30s
- Q2The mass of middle element was ------------according to Dobereeiner's law of triadsaverage of other three elementssum of other two elementsproduct of other two elementsaverage of the other two elements30s
- Q3FDemerit of mendeleev's classificationposition of isotopesposition of isomersposition of isobarsposition of isotones30s
- Q4mendeleev's classification was based onproton numberatomic numberelectron numberatomic mass30s
- Q5The demerit of Newland's classification was thatnone of theseonly heavier elements could be classifiedonly three sets could be classifiedonly lighter elements could be classified30s