Group 2, the alkaline earth metals

Last updated: 06/02/2020

Edexcel A-Level Chemistry Inorganic chemistry and the periodic table Group 2, the alkaline earth metals

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Question 1 of 40

1. Question
What are group 2 elements known as?
- Alkali earth metals
- Halogens
- Reactive metals
- Transition metals
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Question 2 of 40

2. Question
How do group 2 elements form ions?
- Lose two electrons
- Gains two electrons
- Lose one electron
- Gain one electron
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Question 3 of 40

3. Question
Describe the trend in melting and boiling points for the group 2 elements.
- Increases down the group
- Decreases down the group
- Increases up the group
- No trend in melting and boiling point
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Question 4 of 40

4. Question
Describe the reactivity trend down the group 2 elements.
- Increases down the group
- Decreases down the group
- Same reactivity down the group
- No pattern down the group
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Question 5 of 40

5. Question
Which of the following group 2 elements are the most reactive?
- Barium
- Calcium
- Magnesium
- Beryllium
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Question 6 of 40

6. Question
Which of the following group 2 elements are the least reactive?
- Beryllium
- Calcium
- Magnesium
- Barium
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Question 7 of 40

7. Question
Which of the following properties do group 2 elements have?
- High melting and boiling points
- Very dense
- Very volatile
- Forms colourful compounds
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Question 8 of 40

8. Question
Which of the following properties do group 2 elements have?
- Low densities
- Malleable metals
- Gaseous compounds
- Low melting and boiling points
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Question 9 of 40

9. Question
Which of the following properties do group 2 elements have?
- Forms colourless white compounds
- Heavy metals
- Very conductive
- Low melting and boiling points
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Question 10 of 40

10. Question
Which subshells do group 2 have their highest-energy electrons in?
- s
- p
- d
- f
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Question 11 of 40

11. Question
How many electrons do group 2 elements have in their outer shell?
- 2
- 6
- 8
- 4
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Question 12 of 40

12. Question
Why does the reactivity of group 2 electrons increase down the group?
- Ionisation energy decreases down the group, making it easier for group 2 elements to lose two electrons.
- Ionisation energy increases down the group, making it easier for group 2 elements to gain two electrons.
- Ionisation energy decreases down the group, making it easier for group 2 elements to gain two electrons.
- Ionisation energy increases down the group, making it easier for group 2 elements to lose two electrons.
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Question 13 of 40

13. Question
What type of reaction occurs between group 2 elements and oxygen?
- Neutralisation
- Disproportionation
- Thermal decomposition
- Combustion reaction
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Question 14 of 40

14. Question
Write the equation for the reaction between magnesium with oxygen.
- $2Mg(s) + O_2(g) -> 2MgO(s)$
- $Mg(s) + O_2(g) -> 2MgO(s)$
- $2Mg(s) + O(g) -> 2MgO(s)$
- $4Mg(s) + O_2(g) -> 4MgO(s)$
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Question 15 of 40

15. Question
What is the general name for the product formed when group 2 elements react with water?
- Hydroxides
- Bases
- Acids
- Hydrogen peroxides
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Question 16 of 40

16. Question
Write the equation for the reaction between calcium with water.
- $Ca(s) + 2H_2O(l) -> Ca(OH)_2(aq) + H_2(g)$
- $Ca(s) + H_2O(l) -> CaH_2(g)$
- $2Ca(s) + H_2O(l) -> 2Ca(OH)_2(aq) + H_2(g)$
- $Ca(s) + H_2O(l) -> Ca(OH)_2(aq)$
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Question 17 of 40

17. Question
Which element is oxidised in the following reaction? $Mg(s) + 2H_2O(l) -> Mg(OH)_2(aq) + H_2(g)$
- Magnesium
- Oxygen
- Hydrogen
- Water
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Question 18 of 40

18. Question
Which element is reduced in the following reaction? $Mg(s) + 2H_2O(l) -> Mg(OH)_2(aq) + H_2(g)$
- Hydrogen
- Oxygen
- Magnesium
- Water
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Question 19 of 40

19. Question
Which element is oxidised in the following reaction? $Ca(s) + 2H_2O(l) -> Ca(OH)_2(aq) + H_2(g)$
- Calcium
- Hydrogen
- Oxygen
- Water
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Question 20 of 40

20. Question
Which element is reduced in the following reaction? $Ca(s) + 2H_2O(l) -> Ca(OH)_2(aq) + H_2(g)$
- Hydrogen
- Calcium
- Oxygen
- Water
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Question 21 of 40

21. Question
Write the equation for the reaction of magnesium and hydrochloric acid.
- $Mg(s) + 2HCl(aq) -> MgCl_2(s) + H_2(g)$
- $Mg(s) + HCl(aq) -> MgCl_2(s) + H_2(g)$
- $Mg(s) + 2HCl(aq) -> MgCl_2(s)$
- $Mg(s) + HCl(aq) -> MgCl_2(s)$
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Question 22 of 40

22. Question
What product is formed when beryllium reacts with water?
- $Be(OH)_2$
- BeO
- $H_2O$
- BeOH
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Question 23 of 40

23. Question
What product is formed when magnesium reacts with water?
- $Mg(OH)_2$
- MgO
- $H_2O$
- MgOH
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Question 24 of 40

24. Question
What product is formed when calcium reacts with water?
- $Ca(OH)_2$
- CaO
- $H_2O$
- CaOH
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Question 25 of 40

25. Question
What product is formed when strontium reacts with water?
- $Sr(OH)_2$
- SrO
- $H_2O$
- SrOH
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Question 26 of 40

26. Question
What product is formed when barium reacts with water?
- $Ba(OH)_2$
- BaO
- $H_2O$
- BaOH
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Question 27 of 40

27. Question
Describe the solutions of group 2 metal hydroxides.
- Alkali solutions
- Acid solutions
- Neutral solutions
- Ionic solutions
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Question 28 of 40

28. Question
Describe the trend in solubility of group 2 metal hydroxides in water down the group.
- Solubility increases down the group
- Solubility decreases down the group
- Solubility stays the same down the group
- There is no trend in solubility
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Question 29 of 40

29. Question
Which of the following group 2 elements are the most soluble in water?
- Barium
- Beryllium
- Magnesium
- Strontium
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Question 30 of 40

30. Question
Which of the following group 2 elements are the least soluble in water?
- Beryllium
- Barium
- Magnesium
- Strontium
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Question 31 of 40

31. Question
Describe the trend in alkalinity down the group 2 elements.
- Alkalinity increases down the group
- Alkalinity decreases down the group
- Alkalinity stays the same
- There is no trend in alkalinity
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Question 32 of 40

32. Question
Which group 2 metal hydroxide is used by farmers to neutralise acidic soils?
- $Ca(OH)_2$
- $Mg(OH)_2$
- $Sr(OH)_2$
- $Ba(OH)_2$
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Question 33 of 40

33. Question
Describe a use for $Ca(OH)_2$ .
- Reducing the acidity of soil
- Added to cleaning solutions
- The making of building material
- Neutralising hydrochloric acid in the stomach
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Question 34 of 40

34. Question
Describe a use for $Mg(OH)_2$ .
- Neutralising hydrochloric acid in the stomach
- Added to cleaning solutions
- The making of building material
- Reducing the acidity of soil
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Question 35 of 40

35. Question
Describe a use for $CaCO_3$ .
- The making of building material
- Added to cleaning solutions
- Neutralising hydrochloric acid in the stomach
- Reducing the acidity of soil
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Question 36 of 40

36. Question
Which group 2 metal carbonate is used to construct building material?
- $CaCO_3$ .
- $MgCO_3$ .
- $SrCO_3$ .
- $BaCO_3$ .
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Question 37 of 40

37. Question
Write the equation for the reaction between magnesium hydroxide and hydrochloric acid.
- $Mg(OH)_2(aq) + 2HCl(aq) -> MgCl_2(aq) + 2H_2O(l)$
- $Mg(OH)_2(aq) + HCl(aq) -> MgCl_2(aq) + 2H_2O(l)$
- $Mg(OH)_2(aq) + 2HCl(aq) -> MgCl_2(aq) + 2H_2(g)$
- $Mg(OH)_2(aq) + HCl(aq) -> MgCl_2(aq) + H_2(g)$
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Question 38 of 40

38. Question
Which building material contains calcium carbonate?
- Limestone
- Wood
- Tin
- Iron
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Question 39 of 40

39. Question
Write the equation for the reaction between calcium carbonate and hydrochloric acid.
- $CaCO_3(s) + 2HCl(aq) -> CaCl_2(aq) + H_2O(l) + CO_2(g)$
- $CaCO_3(s) + 2HCl(aq) -> CaCl_2(aq) + H_2O(l)$
- $CaCO_3(s) + HCl(aq) -> CaCl_2(aq) + H_2O(l) + CO_2(g)$
- $CaCO_3(s) + 2HCl(aq) -> CaCl_2(aq) + CO_2(g)$
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Question 40 of 40

40. Question
What is one problem with the use of calcium carbonate in building materials?
- Gradual erosion, due to acidic rainwater
- Rusting
- It is expensive
- It is very dense
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