C2.2 Chemical Families

1. Mention the chemical properties of Halogens

2. Mention the physical properties of Halogens

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

4. Explain why Halogens cannot conduct heat and electricity

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

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

7. Mention the uses of noble gas

8. Mention the chemical properties of alkali metals

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

10. Mention the examples of Halogens

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

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

13. Mention the physical properties of Alkali metals

14. Mention the physical properties of noble gases

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

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

17. Mention the uses of Halogens and their compounds

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

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

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

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

22. Mention the characteristics of Noble gases

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

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

25. Mention the chemical properties of Alkaline earth metals

26. Non-metals in Group 7 are called

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

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

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

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

31. 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

32. 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

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

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

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

36. Mention the physical properties of Alkaline earth metals

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

38. Mention the uses of alkali metals and their compounds

39. Define Atomic Radius?

40. Mention the characteristics of Halogens

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

42. 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?

43. Mention the physical properties of elements in period 3