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454p 4d 44 Sssp Sd sf 65 f6d (i) 4pts Circle the set of hydrogen atom quantum numbers (nl, mi, mg) that is legitimate: (a) (-2,1,0, 1) ( (b) (4,1,0,-1/2) (C) (3,2,-3,-1/2) (d) (5,4,-3, 0) (e) (4,-3, 2, +1/2) (ii) 6 pts Write the ground state electron configuration and orbital diagram of Ru(44). The number in brackets is the atomic number of the atom. Ru44) 2pl 2 [I TJ [TUT uhh h mund ? is² 25" 35² 3pb 4+ (111) 3 pts. (Write the ground state electron configuration of Ru(44) (iv) 3pts. Circle the correct answer: The magnetic property of the substance in problem 2 part (iii) is (a) paramagnetic (b) diamagnetic (C) can't be determined with given data (V) 3pts. Circle the correct answer. Specify the formal charge on the N atom in the following :c OCH :C1: (a) -1 (6) 0 (C) +1 (d) +2 (e) none of the others are correct (vi) 3 pts Circle the correct answer. When the number of pi electron formula is used with the substance having the formula C HO2 the answer is (a) 2 (6) 4 (c) 6 (d) 8 (e) 10 (vii) 4pts. Circle the correct answer. When the V'/8 formula is applied to XeF2(54) where the number in brackets is the atomic number of the central atom in this single centered system the number of sigma bond pairs and the number of sigma lone pairs are respectively: (a) 4,3 (b) 4.4 (c) 2,3 (d) 2,2 (e) none of the previous (viii) 4pts. Using the following skeletal structure for HSO3 write two different resonance structures H OS о Formula Draw the Lewis Dot Molecular Geometry (Draw and Name) Structure BrF2 (35) NCR2F(7) 4. (10pts, 7min) Use the periodic table at the end of this exam to answer the following questions. Atomic numbers appear in brackets. Circle the correct answers (a) The acidity of the oxides of P(15) are (greater than, less than, equal to) the acicity of the oxides of Ca(20). (b) Se(34) is (more metallic than, less metallic than, the same in metallic character as) Te(52) (C) The ionic radius of Cs (55)is (larger than, smaller than, equal to ) the ionic radius of I(53) (d) The electronegativity of Se(34) is (larger than, smaller than, equal to ) the electronegativity of (Br(35). (e) The 3rd ionization potential of Ga(31) is (larger than, smaller than, equal to ) the 1 st ionization potential of Ga(31).
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