1) **The electron configurations of five different elements are shown below. Which of these elements is...
1) **The electron configurations of five different elements are shown below. Which of these elements is expected to have the largest second ionization energy (IE2)?** (a) 152 2s22p6 351 (b) 1s22s22p6352 (e) 152 2s22p6 352 3p! (d) 152 2s22p6 352 3p4 (e) 1s 2s22p6 382 3p5
1) **The electron configurations of five different elements are shown below. Which of these elements is expected to have the largest second ionization energy (IE2)?** (a) 1s 2s 2p 3s1 (b) 152 2s22p6352 (c) 152 282 2p 3s 3p1 (d) 152 252 2p6 352 3p4 (e) 1s 2s 2p 3s 3p5 2) **A single Lewis Structure of the formate ion (HCO2) is shown below. Which statement best describes the bonding character of this ion?** H-C-0: 10: (a) One double bond...
Q2: b) Three elements have the electron configurations: 1s' 2s2 2p 3s 3p 1s2 2s2 2p6 3s2 1s2 2s2 2p6 3s 3p 4s. The first ionization energies of these elements (not in the same order) are: 0.419, 0.735, 1.527 MI/mol (MJ for mega Jouls). The atomic radii are 1.60 A°, 0.98 A°, 2.35 A°. Identify the three elements and match the appropriate values of ionization energy and atomic radius to each configuration Element Atomic Radius lonization Energy 1. 2. 3.
14) Write ground state electron configurations for the following elements. (3) Cr 15) Write the condensed electron configurations of the following elements.(3) 16) Write the ground state electron configurations for the following ions. (3) Zn Ag 17) Identify the following elements by their configuration 1s 2s 2p 3s 3p 4s 3d 4p 1s 2s 2p 3s 3p 4s 3d [Kr] 5s4d"5p [Ar] 4s
me following ground-state electron configurations corresponds to an atom that has the 10. Which of the following ground-state ele most negative value of the electron affinity? a) 1s 2s 2p 3s! b) 1s22s22p 3s 3p5 c) 1s 2s 2p 3s 3p2 d) 1s 2s 2p 3s 3p 3d5452 e) 1s 2s22p The element arsenic is in the same group as phosphorus. Which of the following is the formula of arsenic acid? a) H:As b) H3ASO2 c) HASO3 d) HAsO4 e)...
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
Match the predicted ground state electron configuration with the following elements: a. oxygen b. cesium c. lithium e. d. phosphorus gallium f. lanthanum 6. 1s 2s 2p 3s2 3p6 4s2 3d10 4p6 582 4d10 5p6 652 44 7. 1s2 2s2 2p 3s2 3p™ 452 3dłº 4p1 8. 1s2 2s 2p4 9. 1s 2s 2p™ 352 3p™ 452 3d10 4p6 552 4d10 5p 6s! 10. 1s 2s 2p6 3s 3p3
Q42. Which elements have these electron configurations? Give both the symbol and the name: a. 1s 2s22p": b. 1s?2s22p 3s': c. 1s 2s 2pº3s 3p: d. [Ar]4s 3d: e. (Ne]3s 3p": f. [Kr]5s4d!º5p a
Identify the elements denoted by the electron configurations shown below: 1) 1822s22p3s 3p 4s23d5 (0.5 pts) 2) 1s 2s 2p 3s 3p 4s23d104p (0.5 pts) 3) [Xe] 6s24f45d8 (0.5 pts) 4) Fill in the orbital diagram below for the element you identified in #1. (0.5 pts) 5) Determine which of the molecules below contain polar covalent bonds AND use the appropriate symbols to represent the positive and negative poles. (1 pt) a) H-Br b) 1 c) H-O-H d) NF: 6)...
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...