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MBD-PERIODIC CLASSIFICATION OF ELKHOENTS-EXAMPLE
- Name the secound element of group 14?
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- How many valence electrons are present in halogen elements?
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- How many elements are present in 4th period?
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- How many electrons are present in Mg^(2+) ion?
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- Out of Na and Mg which Has larger size?
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- What is the valency of nitrogen?
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- Out of Na and K which is more reacitve?
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- Name the group number of halogne family?
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- Name the last element of third period?
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- What is dobereiner's triad?
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- A,B and C constitute the doberiner's traid. Atomic mass of a and c are...
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- Name the elements discovered after mendeleev's periodic table?
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- what do you mean by isotopes. give two example.
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- How does atomic radii as we move from left along a period in the perio...
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- An element has the electronic configuration 2,8,3 what is its group nu...
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- Give the basis of dobereiner's classification.
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- Give the characteristics of doberiner's traids?
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- What is the drawback of doberenier's traids?
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- There are three elements X,Y,Z atomic masses of X and Z are 35.5 and 1...
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- Write newland's law of octaves for classification of elements.
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