C2.2 Chemical Families

1. Mention the uses of Halogens and their compounds

2. Mention the characteristics of Noble gases

3. Mention the physical properties of elements in period 3

4. Which of the following doesn’t belong to alkaline earth metals?

5. Explain why the ionization energy decreases as you go down the group of alkali metals

6. Non-metals in Group 7 are called

7. Mention the uses of noble gas

8. Mention the physical properties of noble gases

9. Mention the chemical properties of Alkaline earth metals

10. Explain why Halogens cannot conduct heat and electricity

11. Why is the atomic radius of halogen atom less than the ionic radius of halogen ion?

12. Which of the following statement describes the characteristics of alkaline earth metals?

13. Mention the physical properties of Alkaline earth metals

14. Mention the uses of Alkaline earth metals and their compounds

15. The elements in Group 2 of the periodic table are called?

16. What is the name of the minimum energy required to remove an electron from the outermost energy level of an atom in the gaseous state?

17. Mention the Electrical physical properties of elements in period 3

18. What is the name of the energy released as an ion is formed in halogen?

19. Explain why are alkali metals are good conductors of heat and electricity

20. Mention the examples of Halogens

21. Mention the chemical properties of Halogens

22. Explain why Halogen melting and boiling point level increase as you go down the group? {Iodine has high melting and boiling point than Fluorine}

23. The elements in group 1 of the periodic table are called Alkali metals True or False

24. Explain why atomic radii of the alkali metals increase down the group

25. Explain why the melting and boiling points decrease down the group of alkali metals

26. Define Atomic Radius?

27. Mention the chemical properties of alkali metals

28. In Alkali metals, the electrons in the outermost energy level move randomly throughout the metallic structure and are said to be delocalized?

29. Mention the uses of alkali metals and their compounds

30. Mention the physical properties of Alkali metals

31. Mention the physical properties of Halogens

32. Which of the following is not a noble gas?

33. Does the ionization energy decrease as you go down the group of alkali metals?

34. Explain why there is an increase in reactivity as you go down the alkali metal group from Lithium to Potassium

35. Does the electron affinity decrease as the size of the atoms increases in Halogen hence the reactivity decreases down the group? {Fluorine reacts more than iodine} True or False

36. The elements in group 8 of the periodic table are called

37. Which of the following is not an example of alkali metal?

38. Explain why is the ionic radius of an alkali metal is less than its atomic radius

39. Mention the characteristics of Halogens

40. How many alkali metal ions is needed to combine one oxide ion?

41. Due to their reactivity alkali metals are not found as free electrons rather as combined elements

42. Which among the following element is not among Period 3?

43. The atomic radius of Halogen atom is less than the ionic radius of halogen ion e.g. Chlorine atom and Chlorine ion True or False