Q 20 please 011. The atoms that can exceed the octet is?B. NA.PC. BQ12. The number of orbitals and the maximum number of electrons in in shell n= 3 respectively are?C. 2 and 4A. 9 and 18B. 4 and 8D. 6 and 18Q13. The energy (J) change associated with an electron transition from n = 2 to n = 5 in a H atom is?A. -4.58 x 10-19B. +4.58 x 10-19C.-3.29 x 10-19D. +3.29 x 10-19Q14. Ionization energy is a measure of?A. The energy needed to remove an electron from a gaseous atomB. 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 Crt³ is?A. [Ar]3d³B. [Ar]4s23d¹C. [Ar]3d4Q16. Calculate 56.21 x 9.2057 using significant number rules.A. 517.45B. 517.5C. 517017. There are ------ and ------ 7 bonds in the H₂C-C=CH2 molecule.A. 4.2B. 6, 2C. 2, 2Q19. In which case is the bond polarity incorrect?A. B-FoB. +F-08-Q18. What is hybridization of the nitrogen atom in the ion NO3¹-A. spB. sp²C. sp³C. 8¹ C-Bro-D. FQ20. Which correctly describes experimental data if the exact value 5.50?The experimental data 5.49, 5.50, 5.51, 5.49, and 5.52A. Precise, but not accurateC. Both accurate and preciseD. [Ar]4s¹3d²D. 517.452D. 2.6D. sp³dD. °*Si-0⁰-B. Accurate, but not preciseD. Neither accurate nor precise

We are given the experimental data 5.49, 5.50, 5.51, 5.49 and 5.52 with the exact value being 5.50…

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 B. Accurate, but not precise D. Neither accurate nor precise

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 B. Accurate, but not precise D. Neither accurate nor precise

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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