A) n) 2 c) a D) 4 ) 5 13) Give the ground state electron configuration for ) 122

ID: 1028209 • Letter: A

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A) n) 2 c) a D) 4 ) 5 13) Give the ground state electron configuration for ) 122p 14) Halogens can react with ench other to form A) covalent bonds B) ionic bonds C) salts D) hydrogen halides. E) metal halides 15) Give the electron configuration for O B) 1s32p D) 1s 2s12p E) 1s 2s22p 16) Which of the following groups contains no ionic compounds? A) HCN, NO2, Ca(NOs)2 B) PCIs, LiBr, Zn(OH)2 C) KOH, CCI, SF D) NaH, CaF2, NaNH2 E) CH2O, H2S, NHs 17) As indicated by Lewis structures, which of the following species could probab molecule? A) NH B) N2H D) N2Hs 18) Which of the following compounds contains only one non-bonding pair o A) NHs B) H20 C) CH D) NaCl

Explanation / Answer

12. A

13. C - 1s2 2s2 2p6

14. A

15. A

16. E

17. A

18. E

19. C

20. B ( Low negative values as they release less energy or require energy)

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A) n) 2 c) a D) 4 ) 5 13) Give the ground state electron configuration for ) 122

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