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11 Nov 2019
7. Which of the following atoms has three unpaired electrons? A) Al B) o C) N D) S E) C S. Consider the following electron arrangements. Which represents for N? b) c) d) e) A) option a B) option b C) option c D) option d E) optione 9. Specify the group of the periodic table in which each of the following elements is found (a) [Ne]3s', (b) [Ne]3s 3p. (c) [Ne]3s 3ps, A) Group 1A, 5A, 8A B) Group 2A, 3A, 8A C) Group 2A, 4A, 8A D) Group 2A, 5A, 8A E) Group 1A, 3A, 6A 10. Which of the following atoms has the electron configuration as [Ar] 4ddn A) Sc B) V C) Fe D) Co E) Zn
7. Which of the following atoms has three unpaired electrons? A) Al B) o C) N D) S E) C S. Consider the following electron arrangements. Which represents for N? b) c) d) e) A) option a B) option b C) option c D) option d E) optione 9. Specify the group of the periodic table in which each of the following elements is found (a) [Ne]3s', (b) [Ne]3s 3p. (c) [Ne]3s 3ps, A) Group 1A, 5A, 8A B) Group 2A, 3A, 8A C) Group 2A, 4A, 8A D) Group 2A, 5A, 8A E) Group 1A, 3A, 6A 10. Which of the following atoms has the electron configuration as [Ar] 4ddn A) Sc B) V C) Fe D) Co E) Zn
Elin HesselLv2
11 Sep 2019