Which one out of O and Se is bigger in size and why?
Which one out of Na+ and Cl- is bigger in size and why?
Out of P3-, S2- and Cl- ions, which has the smallest value of ionic radius and why?
Out of the following which has the smallest ionic 'Size and why: Li+, Na+, K+?
What is the trend of ionisation enthalpy in a period?
What is the trend of ionisation enthalpy in a group?
Among the elements Li, K, Ca, S and Kr, which one has the highest first ionisation enthalpy and which one has the lowest first ionisation enthalpy?
The element with highest IE1 value: Kr (Noble gas).The element with lowest IE1 value: K (Potassium)
For each of the following pairs state which one has greater ionisation enthalpy:(i) I, I- (ii) Br, K.
From amongst the following, choose the element with the lowest IE: Be, B and C.
What is the relationship between the first ionisation enthaplies and metallic properties?
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