1. Year 1o chemistry revision quiz
Round 1 Atoms

2. Question 1 Write the symbols for the following elements Copper Sulfur
Sodium
iron

3. Question 2
Where would you find the elements arranged in order of their atomic number?

4. Question 3
What does the atomic number of an atom tell us?

5. Question 4
Subatomic particles are present in atoms: Name each of them and give their charge

6. Question 5
i)Draw the orbital diagram for a carbon atom. Carbon has an atomic number of 6
ii)What is the overall charge on the atom?
iii) Write the electron arrangement for carbon

7. Year 1o chemistry revision quiz
Round 1 Atoms -Answers

8. Question 1 Write the symbols for the following elements Copper Cu
Sulfur S
Sodium Na
Iron Fe

9. Question 2 On the Periodic Table
Where would you find the elements arranged in order of their atomic number?
On the Periodic Table

10. Question 3 How many protons an atom has.
What does the atomic number of an atom tell us?
How many protons an atom has.

11. Question 4
Subatomic particles are present in atoms: Name each of them and give their charge Protons positive charge Neutrons neutral charge Electrons negative charge

12. Question 5
i)Draw the orbital diagram for a carbon atom. Carbon has an atomic number of 6
ii)What is the overall charge on the atom? Neutral/no charge
iii) Write the electron arrangement for carbon
2,4

13. Year 1o chemistry revision quiz
Round 2 Ions

14. Question 1
What is the definition of an ion?

15. Question 2
How do positive ions form?
How do negative ions form?

16. Question 3
What is formed when positive and negative ions bond (stick) together?

17. Question 4 Name the following ions:
Mg 2+
Na+
Al3+
Pb2+

18. Question 5 Now name these ions
OH-
CO32-

19. Year 1o chemistry revision quiz
Round 2 Ions- Answers

20. Question 1
What is the definition of an ion? An atom or group of atoms that have gained or lost electrons

21. Question 2
How do positive ions form?
In a chemical reaction when an atom LOSES electrons
b) How do negative ions form?
In a chemical reaction when an atom GAINS electrons

22. Question 3 An ionic compound
What is formed when positive and negative ions bond (stick) together?
An ionic compound

23. Question 4 Name the following ions:
Mg 2+ magnesium ion
Na sodium ion
Al3+ aluminium ion
Pb2+ lead ion

24. Question 5 Now name these ions
O oxide ion
S sulfide ion
OH- hydroxide ion
CO32- carbonate ion

25. Year 1o chemistry revision quiz
Round 3 -Chemical Formulae & gas tests

26. Question 1
Write the formula for
a) Sodium chloride
b) Potassium oxide

27. Question 2
Write the formula for:
Lead chloride
b) Zinc sulfide

28. Question 3
Write the formula for:
Aluminium oxide
Calcium sulfate

29. Question 4
How could you identify a colourless, odourless gas as hydrogen?

30. Question 5
Using a splint, how could you distinguish between oxygen gas and carbon dioxide gas?

31. Year 1o chemistry revision quiz
Round 3 -Chemical Formulae & gas tests- ANSWERS

32. Question 1 Write the formula for Sodium chloride NaCl
b) Potassium oxide
K2O

33. Question 2
Write the formula for:
Lead chloride
PbCl2
Zinc sulfide
ZnS

34. Question 3 Write the formula for: Aluminium oxide Al2O3
b) Calcium sulfate
CaSO4

35. Question 4
How could you identify a colourless, odourless gas as hydrogen? Pops in a flame

36. Question 5
Using a splint, how could you distinguish between oxygen gas and carbon dioxide gas?
Carbon dioxide puts the flame out but oxygen relights a glowing splint

37. Year 1o chemistry revision quiz
Round 4 –Acids and Bases

38. Question 1
What colour does red and blue litmus go in:
An acid
A base

39. Question 2 What type of substance has a pH of: Less than 7 7
Greater than 7

40. Question 3
Water has a pH of 7. What colour does Universal indicator solution go in water?

41. Question 4
What reaction occurs between an acid and a base?

42. Question 5
Write the general equation for a reaction between and acid and a base

43. Year 1o chemistry revision quiz
Round 4 –Acids and Bases-ANSWERS

44. Question 1 What colour does red and blue litmus go in: An acid RED
A base
BLUE

45. Question 2 What type of substance has a pH of: Less than 7 ACID
7 NEUTRAL
Greater than 7 BASE

46. Question 3
Water has a pH of 7. What colour does Universal indicator solution go in water? GREEN

47. Question 4 What reaction occurs between an acid and a base?
NEUTRALISATION

48. Question 5
Write the general equation for a reaction between an acid and a base
Acid + Base Salt + water