Which of the following statements is wrong :-van der Waal's radius of iodine is more than its covalent radiusAll isoelectronic ions belong to same period of the periodic tableIE1 of N is higher than that of O while IE2 of O is higher than that of NThe electron affinity of N is less than that of P

Which one of the following is false? Chlorine (Z=17) has a smaller radius than aluminum (Z=13). Carbon (Z=6) has a higher first ionization energy than boron (Z=5). Potassium (Z=19) has a higher electron affinity than sodium (Z=11). Beryllium (Z=4) has a larger radius than carbon (Z= 6). Chlorine (Z=17) is more electronegative than iodine (Z=53).

) A nonmetal has a smaller ionic radius compared with a metal of the same period.A.) True B.) False

Read the following questions for N, P, C, Si elements :(a) Element which has least atomic radii(b) Element which has maximum ionisation energy(c) Element which has least electron affinity(d) Element which has maximum electronegatvi

Which of the following increases across a period (from left to right) in the periodic table?Atomic number and atomic radius First ionisation energy and atomic radius First ionisation energy and electronegativityElectronegativity and ionic radius

Study the information in the table and answer the questions that followIon ElectronicarrangementIonicradiusNa + 2.8 0.095K+ 2.8.8 0.133Mg2+ 2.8 0.065Explain why the ionicradius of (1 mark)K + is greater than that ofNa + Mg 2+ is smaller than that ofNa +