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Q15. The electronic configuration for Cr¹3 is? A. [Ar]3d³ B. [Ar]4s23d¹ C. [Ar]3d4 D. [Ar]4s¹3d²

Q15. The electronic configuration for Cr¹3 is? A. [Ar]3d³ B. [Ar]4s23d¹ C. [Ar]3d4 D. [Ar]4s¹3d²

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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011. The atoms that can exceed the octet is? B. N A.P C. B Q12. The number of orbitals and the maximum number of electrons in in shell n= 3 respectively are? C. 2 and 4 A. 9 and 18 B. 4 and 8 D. 6 and 18 Q13. The energy (J) change associated with an electron transition from n = 2 to n = 5 in a H atom is? A. -4.58 x 10-19 B. +4.58 x 10-19 C.-3.29 x 10-19 D. +3.29 x 10-19 Q14. Ionization energy is a measure of? A. The energy needed to remove an electron from a gaseous atom B. The energy change when an electron is added to a gaseous atom. C. The attraction by an atom for electrons in a chemical bond. D. The magnitude of the negative charge on a molecule. Q15. The electronic configuration for Cr+³ is? A. [Ar]3d³ B. [Ar]4s23d¹ C. [Ar]3d4 Q16. Calculate 56.21 x 9.2057 using significant number rules. A. 517.45 B. 517.5 C. 517 017. There are ------ and ------ 7 bonds in the H₂C-C=CH2 molecule. A. 4.2 B. 6, 2 C. 2, 2 Q19. In which case is the bond polarity incorrect? A. B-Fo B. +F-08- Q18. What is hybridization of the nitrogen atom in the ion NO3¹- A. sp B. sp² C. sp³ C. 8¹ C-Bro- D. F Q20. Which correctly describes experimental data if the exact value 5.50? The experimental data 5.49, 5.50, 5.51, 5.49, and 5.52 A. Precise, but not accurate C. Both accurate and precise D. [Ar]4s¹3d² D. 517.452 D. 2.6 D. sp'd D. °*Si-0⁰ B. Accurate, but not precise D. Neither accurate nor precise
Transcribed Image Text:011. The atoms that can exceed the octet is? B. N A.P C. B Q12. The number of orbitals and the maximum number of electrons in in shell n= 3 respectively are? C. 2 and 4 A. 9 and 18 B. 4 and 8 D. 6 and 18 Q13. The energy (J) change associated with an electron transition from n = 2 to n = 5 in a H atom is? A. -4.58 x 10-19 B. +4.58 x 10-19 C.-3.29 x 10-19 D. +3.29 x 10-19 Q14. Ionization energy is a measure of? A. The energy needed to remove an electron from a gaseous atom B. The energy change when an electron is added to a gaseous atom. C. The attraction by an atom for electrons in a chemical bond. D. The magnitude of the negative charge on a molecule. Q15. The electronic configuration for Cr+³ is? A. [Ar]3d³ B. [Ar]4s23d¹ C. [Ar]3d4 Q16. Calculate 56.21 x 9.2057 using significant number rules. A. 517.45 B. 517.5 C. 517 017. There are ------ and ------ 7 bonds in the H₂C-C=CH2 molecule. A. 4.2 B. 6, 2 C. 2, 2 Q19. In which case is the bond polarity incorrect? A. B-Fo B. +F-08- Q18. What is hybridization of the nitrogen atom in the ion NO3¹- A. sp B. sp² C. sp³ C. 8¹ C-Bro- D. F Q20. Which correctly describes experimental data if the exact value 5.50? The experimental data 5.49, 5.50, 5.51, 5.49, and 5.52 A. Precise, but not accurate C. Both accurate and precise D. [Ar]4s¹3d² D. 517.452 D. 2.6 D. sp'd D. °*Si-0⁰ B. Accurate, but not precise D. Neither accurate nor precise
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