C2.2 Chemical Families

1. Mention the physical properties of Alkaline earth metals

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

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

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

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

6. Mention the uses of alkali metals and their compounds

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

8. Mention the characteristics of Noble gases

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

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

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

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

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

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

15. Mention the physical properties of Halogens

16. Mention the physical properties of elements in period 3

17. Explain why Halogens cannot conduct heat and electricity

18. Mention the physical properties of noble gases

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

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

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

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

23. Mention the uses of noble gas

24. Define Atomic Radius?

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

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

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

28. Mention the examples of Halogens

29. 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

30. Mention the uses of Halogens and their compounds

31. Mention the chemical properties of Halogens

32. Mention the characteristics of Halogens

33. Non-metals in Group 7 are called

34. Mention the physical properties of Alkali metals

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

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

37. 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?

38. Mention the chemical properties of alkali metals

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

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

41. Mention the chemical properties of Alkaline earth metals

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

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