CHEMISRTY OF ELEMENTS / WORK SHEET / IGCSE / GCSE / HALOGENS /PERIODIC TABLE

Revision sheet

Chemistry of elements1.

In the periodic table the elements are arranged according to the ……………………………. Number

2. In the periodic table the elements are arranged according to the …………………………….

No of particle in the nucleus

3. Give any two property of metal………………………………………………………………………………….

4. Give any two properties of non metal……………………………………...

5. NAME THE FIRST GROUP ELEMENTS……………………………………………..

6. Name the second group elements…………………………………………………….

7. Name the seventh group elements………………………………….

8. Group 1 element are always has a …………………. Charge

9. Group 2 element are always has a …………………. Charge

9. Group 7 element are always has a …………………. Charge

10. Group 6 element are always has a …………………. Charge

11. Element A put in water to produce a gas BAnd an alkali C

12.It will give lilac color to the flameName the element A ……………………

13.Name the gas B ………………………………………….

14.NAME THE ALKALI C ………………………………………

15.Write three things that you see in this experiment

16.What is color change shown by the universal indicator in the solution?………………………………………….

17. Write down the word equation for the above reaction…………………………………………………..

18. Write down the balanced equation for the above reaction…………………………………………………..

19. What is the effect of blue litmus red litmus in the beaker…………………………………………

20. How will you test the gas evolved………………………………

21. Name a non metal for the same period as lithium ………………………..

22. Name another metal in the same period as lithium……………………………..

23. What is similar in the arrangement of electron in alkali metals?…………………………………………….

24. Why diamond and graphite have similar properties………………………………………….

25. Why diamond and graphite have different properties………………………………………….

26.why graphite conducts electricity but diamond not. Why?………………………………………………………………………………………..

27. Give the equation for the burning of graphite in air…………………………………………………………..

28.give the word equation for the burning of magnesium……………………………………………………..

29. give the( halogen) colour and Physical state

30. How will you convert the hydrogen chloride gas into hydrochloric acid

31. A solution in which the hydrochloric acid is dissolved is tested with blue litmus. What do you observe?

32. Hydro choric acid is dissolved in methyl benzene. What do the change in the blue litmus?

33. Describe the laboratory preparation of chlorine from hydro choric acid ( important)…
…………………………………………………………………………………………………..

34.Name the oxidizing agent in this reaction……………………………………

35. Give the test for chlorine…………………………………………………………….

36. Chlorine and bromine have similar properties why?……………………………………………………………………………….

37. Chlorine is passed through a solution of potassium bromide

Name the type of reaction………………………………………….

the solution became red in color. Why?…………………………………………………………………………..

38.Explain why no displacement reaction when we add bromine to potassium chloride …………………………………………………………………………………………
Write the ionic equation for the reaction……………………………………………….

39.Chlorine is bubbled through the potassium iodide solution.
What will be the color of theFinal solution ……………………………………………..

Write down the ionic half equation for the reaction …………………………………

40.What is the color change during the below reaction……………………………………………………H2 + Cl 2___________ 2HCl