Question

(d) (i) Which is larger, Na+ or Ca²+ and why?
(ii) Ionization energies of two elements P and Q are 801 kJmol'' and 520
kJmol. respectively. Which of them will ionise more easily and why?
(111) Define electronegativity. What property of an element is measured by
electronegativity?
(iv) Arrange the following as directed:
(1) CI, Ne, S, Na, C ( increasing order of electron affinity)
(2) P, F, Al, Mg ,0 (decreasing order of atomic size)​

Answer 1

Answer:

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