s-Block and p-Block Elements - Question Bank
1. The element that exhibits the highest melting point in Group 16 is:
2. Which of the following alkaline earth metals is the most electropositive?
3. The element that forms the most acidic oxide in Group 14 is:
4. Which of the following is the most reactive halogen?
5. The general electronic configuration of s-block elements is:
6. The anomalous behavior of Magnesium compared to other alkaline earth metals is NOT due to:
7. Which element in Group 13 is a metalloid and a key component in semiconductors?
8. The most stable allotrope of phosphorus at room temperature and pressure is:
9. Which noble gas is used in balloons for weather forecasting due to its low density and non-flammability?
10. The diagonal relationship between Sodium and Magnesium is NOT observed because:
11. Which element in Group 14 is used in semiconductors?
12. Which of the following is a characteristic property of halogens (Group 17 elements)?
13. The compound formed between an alkali metal and water is:
14. Which element in Group 16 is essential for respiration?
15. The most electronegative element in the s-block is:
16. The allotrope of carbon that is the hardest naturally occurring substance is:
17. Which alkali metal is used in photoelectric cells?
18. The element that exhibits the most pronounced inert pair effect is:
19. Which of the following forms a stable compound with hydrogen, like PH₃?
20. Which of the following is a noble gas used in lighting (e.g., neon signs)?
21. The reason for the higher melting point of Group 1 elements compared to Group 2 elements is:
22. Which element in Group 14 forms stable peroxides and superoxides?
23. The diagonal relationship between Beryllium and Aluminum is due to:
24. Which alkali metal has the lowest density?
25. Which of the following is NOT a characteristic of p-block elements?
26. The oxidizing power of halogens decreases in the order:
27. Which element in Group 15 has the highest melting and boiling points?
28. The most abundant element in the Earth's crust that belongs to the s-block is:
29. Which allotrope of carbon is used as a lubricant?
30. Which of the following is a strong base formed by an alkali metal?
31. The anomalous behavior of Boron compared to other Group 13 elements is due to:
32. Which element in Group 17 is a liquid at room temperature?
33. The hydrides formed by alkali metals are:
34. Which of the following is the most stable allotrope of sulfur?
35. Which element in Group 16 is a metalloid and a semiconductor?
36. The diagonal relationship between Lithium and Magnesium is due to:
37. Which of the following is NOT a property of Group 1 elements?
38. Which element in Group 14 exhibits allotropy and forms compounds in +2 and +4 oxidation states?
39. The allotrope of phosphorus that is white and spontaneously ignites in air is:
40. Which of the following is a strong oxidizing agent?
41. The anomalous behavior of Lithium compared to other alkali metals is due to:
42. Which alkali metal forms a stable nitride (Li₃N)?
43. What is the most common allotrope of carbon in the p-block?
44. Which element is known as the 'king of chemicals' and is a major component of sulfuric acid production?
45. The inert pair effect is most pronounced in which group of the p-block elements?
46. Which alkaline earth metal imparts a brick-red color to a flame test?
47. Which of the following alkali metals is the most reactive?
48. The first ionization energy generally decreases down the group for both s-block and p-block elements. Which is an exception to this trend in Group 13?
49. Which element is the most electronegative in the p-block?
50. What is the common oxidation state of alkaline earth metals (Group 2 elements)?