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On moving down the team You can find a rise in the principal quantum range and as a consequence no. of electron shells improves and therefore the atomic measurement boosts. So the atomic radii with the ingredient improves.
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Clarification: When gentle enters a triangular prism from one particular area, the angle of incidence is i1 , and when it emerges from another area of the prism, the angle of emergence is i2 .
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(i) IE1 of sodium is lessen than that of magnesium While IE2 of CBSE Class 12 Biology ICSE Class 11 Mathematics sodium is bigger than that of magnesium.
Explanation: Refractive index of optically denser medium is always more than the rarer medium. As light-weight is travelling from rarer to denser medium, it is going to bend in direction of the conventional.
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Concern two. The initial ionisation enthalpy of magnesium is better than that of sodium. Conversely, the second ionisation enthalpy of sodium is very much larger than that of magnesium. Reveal.
obtaining no attraction for electron due to the fact by accepting electron their configuration gets considerably less stable. In that case Electrical power has to be provided to accept electron. So electron attain enthalpy are going to be beneficial.