Q43 of 59 Page 34

Match the correct atomic radius with the element.


EXPLANATION


When we move from left to right in a period, effective nuclear charge of elements increases which decreases the atomic radius.


More from this chapter

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41

The radius of Na+ cation is less than that of Na atom. Give reason.

 42

Among alkali metals which element do you expect to be least electronegative and why?

 44

Match the correct ionisation enthalpies and electron gain enthalpies of the following elements.

 45

Match the electronic configuration with electron gain enthalpy.