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44. Which of the following molecules central stem requires p'd hybridization? 2. SF. SO 4. NH...
2. Draw the Lewis structures for each of the following ions or molecules. Give the number of electrons in each species. Remember to enclos e ions in square brackets with the charge as a superscript outside the right bracket (a) AsFs (b) NH 2 CI (c) PCI 4 (d) PCI 5 (e) CF 4
5. Determine the molecular shapes of the following molecules/ions and the hybridization on the central atom of each molecule/ion. (a) 13"; (b) AsFs; (c) ,2; (d) ClO2; (e) IFs (f) HCOOH 6. Draw three resonance structures of carbon dioxide, and use formal charges to determine which of them is most important contributor to the Lewis structure. 7. Which of the following has the stronger nitrogen-to-nitrogen bond? The longer nitrogen-to-nitrogen bond? N2H2 N2H4
10. Which of the following terms accurately describes the energy associated with the process: Li(g) → Lit(g) + € (a) Electron affinity (b) Binding energy (c) lonization energy (d) Electronegativity (e) None of these
(1) Which one of the following molecules where the central atom does not have an octet? (2) Which one of the following molecules where the central atom has more than 8 valence electrons around the central atom? Весі SO HBrO PFS SO3 CHO НАРО SCH BCI, IOCIS IF, XeCl2 Bн, нсіо. (3) Which of the following elements has the largest difference between the first and second ionization energy? A. chlorine B. argon C. potassium D. calcium E.scandium HIO (4) How...
please help Which of the following increase as you proceed down a group in the periodic table? a) atomic radius b) ionization energy c) electron affinity d) electronegativity e all of the above 5. Which of the following could not be an orbital diagram for an atom in its ground state? 1s 2s 2p 3s a) (1) (TD (TD b) (1) (1) (1) (1) (1) (1) c) (1) (1) (1) (10 ) d) ( () (0(() () e) (1) (1)...
7. Answer each of the following using only the periodic trends. a. Circle the atom with the larger atomic radius, Na or Si. b. Circle the atom with the larger lonization Energy, 0 or S. c. Circle the atom with the more favorable Electron Affinity, I or Br. d. Circle the atom with the largest Effect Nuclear charge, Be or N. e. Circle the atom with the largest Electronegativity, S or P. 8. Answer each of the following using only...
What is the ground-state electron configuration of the Al^3+ ion? a. 1s^2 2s^2 2p^6 3s^2 3p^4 b. 1s^2 2s^2 2p^6 3s^2 3p^1 c. 1s^2 2s^2 2p^3 d. 1s^2 2s^2 2p^1 e. 1s^2 2s^2 2p^6 Which of the following is the correct noble gas electron configuration for an ion of barium? a. [Kr]5s^2 4d^10 5p^6 6s^2 b. [Kr]5s^2 5p^6 c. [Kr]5s^2 4d^10 5p^6 6s^1 d. [Kr]5s^2 4d^10 5p^6 e. [Kr]5s^2 4d^10 5p^6 6s^2 6p^2 How many orbitals are possible when l...
20. An atom of which of the following elements has the smallest ionization energy? A. CI C. Si B. P DS 21. An atom of which of the following elements has the largest second ionization energy? A. Cs С Ро B. Pb D. Ba Q89. 22. Which of the following forms the most stable anion in the gas phase? A. CI (electron affinity -349 kJ/mol) B. S (electron affinity = -200 kJ/mol) CO (electron affinity = -141 kJ/mol) D. C(electron...
Which elements are represented by the following electron configurations? a. 15-2s22p0323p3d1045-4p) The element is Br b. [Kr]4d1045145325p052106526pa The element is C. [Kr]4d1046145525p650105726s6p6752 The element is d. [Kr]4d2552 The element is ZI e. 152252263523p%3d-452 The element is
8. Which elements are represented by the following electron configurations? a. 15-2s 2p 3s 3p 3d 10 452 4p highest occupied orbitals valence electrons b. 1s 2s 2p 3s 3p 4s 3d highest occupied orbitals_ valence electrons c. [Kr] 5s 4d 0 5p? highest occupied orbitals valence electrons d. [Ne] 3s 3p highest occupied orbitals valence electrons e. [Ar]3d 4s? highest occupied orbitals valence electrons