1. Which of the following contains the least number of molecules? a) 16 g CO₂ b) 8 g 02 c) 4g N₂ d) 2g H2 2. Which of th

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1 Which Of The Following Contains The Least Number Of Molecules A 16 G Co B 8 G 02 C 4g N D 2g H2 2 Which Of Th 1 (36.71 KiB) Viewed 15 times

1. Which of the following contains the least number of molecules? a) 16 g CO₂ b) 8 g 02 c) 4g N₂ d) 2g H2 2. Which of the following set of quantum numbers is incorrect? a) n=2, 1=1, m = +1, s = -₂ b) n = 2, 1 = 0, m = 0, s = + c)n = 2, 1 = 1, m = 0, s = - d) n = 2,1 = 2, m = +1, s = + 3. Element with atomic number 19 belongs to which block of the periodic table? a) s b) p c) d d) f 4. Which of the following contains both covalent & ionic bonds? a) CCl4 b) CaCl₂ c) NH4Cl d) NH3