:7. The atomic radiva decresses from e r 22. The period on the pendic table becu

Question

:7. The atomic radiva decresses from e r 22. The period on the pendic table becue, tot%. (A) the effective nuclear charge valence electrons more strongly (5) the elesctrones bb orbitals (C) the electrons end up occupying core are smaller o shrink as the ounber uf (D) the enclens bnst protons increases Which ion has the largest radius? 23. A) FC M(N Which third period element has the successive ionization energies (IE) given in this table? 24. lonization IE(Z) LEA3) 1817 (A) Al 25. Which atom has the largest first sonization (B) energ? (A) Mg S (C) Si 26. How many nonbonding pairs of electrons are on t central atom in BrF,? (A) 0 Which species is not planar? (A) BF (B) CH(C PE, (D) No, (B) 1 (G2 (D)3 27. 28. What is the molecular geometry of the CIF on? (B) square planar (A) seesaw (C) square pyramidal(D) tctrabedral 29. Which molecule has a tetrahedral geometry about th central atom? (A) SiF4 (B) PF4 (C) SF, (D) 16, 30. According to the VSEPR method, what are the approximate values of the bond- angles X and Y? (A) X is 90 and Y is 90 (B) X is 90° and Y is 109.5 (C) X is 109.5 and Y is 90 (D) X is 109.50 and Y is 109.5

Explanation / Answer

As you need only answers so the answer of 22 is (a)

23 (d)

24(a)

25(b)

26(c)

27(c)

28(a)

29(a)

30(c)

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