CHEMICAL BONDING 1. Which of the following atoms obey duplet rule? O2 O2 F2 H2 N2 2. Silicon belongs to Group IVA. It has, ______ electrons in the valence Shell 2 3 4 6 3. Which of the following is not true about the formation of Na₂S: Each sodium atom loses one electron Sodium forms cation Sulphur forms anion Each Sulphur atom gains one electron 4. Which of the following atoms will not form cation or anion. (Atomic No. 16) (Atomic No. 17) (Atomic No. 18) (Atomic No. 19) 5. Which of the following atoms will form an ion of charge -27 Atomic Number Mass Number 12 24 14 28 8 8 10 20 6. Phosphorus belongs to third period of Group VA. How many electrons it needs to complete its valence shell. 2 3 4 5 7. Identify the covalent compound NaCl MgO H2O KF 8. Which of the following atoms will form cation. Atomic Number 20 18 17 15 9. In the formation of AIFs, aluminum atom loses, _________ electrons. 1 2 3 4 Loading … Question 1 of 9 Related Questions: ATOMIC STRUCTURE Nature of Science in Chemistry MCQ PERIODIC TABLE AND PERIODICITY OF PROPERTIES Matter MCQ STOICHIOMETERY ELECTOROCHEMISTRY ENERGETICS
