5/10 Which of the following atoms has the largest atomic radius? A) B) C) DY E) Al As Br What is the electron configuration of Fe*? A) [Ar] 3d 4s B) [Ar] 3d' 4s2 [Ar] 3d 4s' D) E) C) [Ar] 3d [Ar] 3d° What is the total number of valence electrons in the nitronium ion, NO,"? A) B) 12 16 18 | D) 20 E) 24 Which of the following elements is assigned the highest clectronegativity value? K. A B) Ba Si C) D) Bri F) As The Which of the fellowing is an exception to the octel ril

5/10 Which of the following atoms has the largest atomic radius? A) B) C) DY E) Al As Br What is the electron configuration of Fe*? A) [Ar] 3d 4s B) [Ar] 3d' 4s2 [Ar] 3d 4s' D) E) C) [Ar] 3d [Ar] 3d° What is the total number of valence electrons in the nitronium ion, NO,"? A) B) 12 16 18 | D) 20 E) 24 Which of the following elements is assigned the highest clectronegativity value? K. A B) Ba Si C) D) Bri F) As The Which of the fellowing is an exception to the octel ril

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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29) Give the correct electron configurations of Cr and Cu. Explain why they do not have the expected electron configurations. a) Which of the following are correct electron configuration(s) for Cr? a) [Ar]3d44s2 b) [Ar]3d54s1 c) [Ar]4s23d5 d) [Ar]4s13d4 b) Which of the following are correct electron configuration(s) for Cu? a) [Ar]3d94s2 b) [Ar]3d104s1 c) [Ar]4s13d9 d) [Ar]4s23d10 c) Why do Cr and Cu not have the expected electron configurations? a) Half filled orbitals are more stable than partially filled orbitals. b) Completely filled orbitals are more stable than partially filled orbitals. c) Partially filled orbitals are more stable than completely filled orbitals. d) Moving an electron from the s to d orbital lowers the energy of the atom. e) Moving an electron from the s to d orbital increases the energy of the atom.
Learning guidelines
please solve only question 7
Please provide only typed answer solution no handwritten solution needed allowed
7: Which of the following elements has the smallest atomic size? B) K A) Kr C) Ca D) Ar 8: Which one of the following equations correctly represents the process relating to the ionization energy of X? A) X(s) →X*(g)+e C) X(g) +e →X" (g) B) X(g) →X(g) + e D) X'(g) → X(g)+e
9) Explain to me why the atomic radii decrease as you move across a period rather then up a group or family?
C
23 - Which of the following is false regarding the periodic table? a) Electronegativity inereases from left to right over the period. O B) Atomic diameter inereases as you go down. O NS) Atomic diameter decreases from left to right. O D) The metallic character increases as you go up and down the group. O TO) Ionization energy decreases from top to bottom.
Number 9 please
So lost on this one! Somebody help!
The electron configuration of Fe2* is [Ar]3d°. Which of the following is true about Fe2*? A) Fe2* is diamagnetic. B) Fe2* is paramagnetic with one unpaired electron C) Fe2* is paramagnetic with two unpaired electrons D) Fe2* is paramagnetic with four unpaired electrons. E) Fe2* is paramagnetic with five unpaired electrons.
11. The ground state electron configuration of 29Cu atom is: eHAr] 4s' 3de b) [Ar] 4s' 4d c) [Kr] 4s' 3dl0 d) [Kr) 4s 3d e) [Ar] 4s' 3d 12. Which of the following isoelectronic ions has the smallest radius: a) Ca b) Mg c) O 13. Which of the following compounds would be expected to bave the highest melting point? d) S- a) NCI, c) MgCla d) LICI e) CCl. 14. Which of these species have two resonance structures? a) CH, b) CH;O e) H2O d) NO,CI e) H;S 15. The formal charge on N in the Lewis structure of NO, is: a) +2 b) +1 d) – 1 -2 16. which of the following compounds does not obey the octect rule? a) SiCL b) XeCle c) PH, d) H;S O NO: 17.What is the molecular geometry (shape) of BrF, ? a) T-shaped d) trigonal pyramidal b) tetrahedral e) seesaw or distorted tetrahedral square planar 18. The hybridization of the central atom, P, in PCla is: O sp b) sp c) sp d) sp'd? e) sp' d 19. Which of the felowing compounds is polar (has a dipole moment)? a) CF. E) BeF, d) XeF, e) BF, 20. According to…