The elements of groups 1 and 2

Last updated: 17/01/2020

WJEC A-Level Chemistry Unit 1.6 – The periodic table The elements of groups 1 and 2

Time limit: 0

Quiz Summary

0 of 35 Questions completed

Questions:

Information

You have already completed the quiz before. Hence you can not start it again.

Quiz is loading…

You must sign in or sign up to start the quiz.

You must first complete the following:

Results

Quiz complete. Results are being recorded.

Results

0 of 35 Questions answered correctly

Your time:

Time has elapsed

You have reached 0 of 0 point(s), (0)

Earned Point(s): 0 of 0, (0)
0 Essay(s) Pending (Possible Point(s): 0)

Average score
Your score

Categories

Not categorized 0%

Current
Review
Answered
Correct
Incorrect

Question 1 of 35

1. Question
Which type of compound forms when a group 2 element reacts with water?
- Metal hydroxide
- Metal oxide
- Acid
- Salt
Correct

Incorrect
Question 2 of 35

2. Question
What type of compound is produced when group 2 carbonates undergo thermal decomposition?
- Solid
- Liquid
- Aqueous
- Gas
Correct

Incorrect
Question 3 of 35

3. Question
Which type of compound forms when a group 2 element reacts with water?
- Hydrogen
- Water
- Hydrochloric acid
- Oxygen
Correct

Incorrect
Question 4 of 35

4. Question
What colour solid is produced when group 2 carbonates undergo thermal decomposition?
- White
- Blue
- Brown
- Orange
Correct

Incorrect
Question 5 of 35

5. Question
Write the equation for the reaction between magnesium and oxygen.
- $Mg(s) + O_2(g) -> MgO(s)$
- $Mg(s) + O_2(g) -> Mg(OH)_2(aq)$
- $Mg(s) + 2O_2(g) -> MgO(s)$
- $Mg(s) + O_2(g) -> MgO(aq) + H_2O(l)$
Correct

Incorrect
Question 6 of 35

6. Question
Why does the thermal stability of the group 2 hydroxides increase down the group?
- Decrease in charge density
- Increase in charge density
- Increase in electron density
- Decrease in electron density
Correct

Incorrect
Question 7 of 35

7. Question
What is another name for the group 1 elements?
- Alkali metals
- Nobel gases
- Alkaline earth metals
- Halogens
Correct

Incorrect
Question 8 of 35

8. Question
Which type of compound forms when a group 2 element reacts with oxygen?
- Metal oxide
- Metal hydroxide
- Acid
- Salt
Correct

Incorrect
Question 9 of 35

9. Question
Why does the thermal stability of the group 2 carbonates increase down the group?
- Decrease in charge density
- Increase in charge density
- Increase in electron density
- Decrease in electron density
Correct

Incorrect
Question 10 of 35

10. Question
What is another name for the group 2 elements?
- Alkaline earth metals
- Nobel gases
- Alkali metals
- Halogens
Correct

Incorrect
Question 11 of 35

11. Question
Write the equation for the reaction between magnesium and chlorine.
- $Mg(s) + Cl_2(g) -> MgCl_2(s)$
- $Mg(s) + Cl_2(g) -> Mg_2Cl(s)$
- $Mg(s) + 2Cl_2(g) -> MgCl_2(s)$
- $Mg(s) + Cl_2(g) -> MgCl(s)$
Correct

Incorrect
Question 12 of 35

12. Question
Describe the trend in thermal stability for the group 2 hydroxide down the group.
- Increases down the group
- Increases up the group
- Decreases down the group
- There is no trend in thermal stability
Correct

Incorrect
Question 13 of 35

13. Question
Describe the trend in reactivity down the group 2 elements.
- Reactivity increases down the group
- Reactivity decreases down the group
- Reactivity stays the same down the group
- There is no trend in reactivity
Correct

Incorrect
Question 14 of 35

14. Question
Which type of compound forms when a group 2 element reacts with chlorine?
- Salt
- Metal oxide
- Metal hydroxide
- Acid
Correct

Incorrect
Question 15 of 35

15. Question
Describe the trend in thermal stability for the group 2 carbonates down the group.
- Increases down the group
- Increases up the group
- Decreases down the group
- There is no trend in thermal stability
Correct

Incorrect
Question 16 of 35

16. Question
Describe the trend in ionisation energies down the group 2 elements.
- Ionisation energies decrease down the group
- Ionisation energies increase down the group
- Ionisation energies decrease up the group
- There is no trend in ionisation energies
Correct

Incorrect
Question 17 of 35

17. Question
What type of compounds are group 2 oxides?
- Bases
- Acids
- Metals
- Neutral
Correct

Incorrect
Question 18 of 35

18. Question
Describe the trend in reactivity down the group 1 elements.
- Reactivity increases down the group
- Reactivity decreases down the group
- Reactivity stays the same down the group
- There is no trend in reactivity
Correct

Incorrect
Question 19 of 35

19. Question
What type of compounds are group 2 hydroxides?
- Bases
- Acids
- Metals
- Neutral
Correct

Incorrect
Question 20 of 35

20. Question
Describe the trend in ionisation energies down the group 1 elements.
- Ionisation energies decrease down the group
- Ionisation energies increase down the group
- Ionisation energies decrease up the group
- There is no trend in ionisation energies
Correct

Incorrect
Question 21 of 35

21. Question
Write the equation for the reaction between calcium oxide and water.
- $CaO(s) + H_2O(l) -> Ca(OH)_2$
- $CaO(s) + H_2O(l) -> CaOH$
- $CaO(s) + H_2O(l) -> CaO$
- $CaO(s) + 2H_2O(l) -> CaOH$
Correct

Incorrect
Question 22 of 35

22. Question
Why does the reactivity of the group 2 elements increase down the group?
- As it is easier for elements to lose electrons
- As it is easier for elements to gain electrons
- As it is harder for elements to lose electrons
- As it is harder for elements to gain electrons
Correct

Incorrect
Question 23 of 35

23. Question
Which type of compound forms when a group 2 oxide reacts with water?
- Metal hydroxide
- Metal oxide
- Water
- Acidic
Correct

Incorrect
Question 24 of 35

24. Question
Why does the reactivity of the group 1 elements increase down the group?
- As it is easier for elements to lose electrons
- As it is easier for elements to gain electrons
- As it is harder for elements to lose electrons
- As it is harder for elements to gain electrons
Correct

Incorrect
Question 25 of 35

25. Question
Describe the trend in alkalinity of the group 2 oxides.
- Alkalinity increases down the group
- Alkalinity increases up the group
- Alkalinity decreases down the group
- There is no trend in alkalinity
Correct

Incorrect
Question 26 of 35

26. Question
Why do the ionisation energies decrease down the group 2 elements?
- It is easier for elements to lose outer electrons as extra shells are added, increasing the atomic radius.
- It is harder for elements to lose outer electrons as extra shells are added, increasing the atomic radius.
- It is easier for elements to gain outer electrons as extra shells are added, increasing the atomic radius.
- It is harder for elements to gain outer electrons as extra shells are added, increasing the atomic radius.
Correct

Incorrect
Question 27 of 35

27. Question
Describe the trend in solubility of the group 2 hydroxides.
- Solubility increases down the group
- Solubility increases up the group
- Solubility decreases down the group
- There is no trend in solubility
Correct

Incorrect
Question 28 of 35

28. Question
Why do the ionisation energies decrease down the group 1 elements?
- It is easier for elements to lose outer electrons as extra shells are added, increasing the atomic radius.
- It is harder for elements to lose outer electrons as extra shells are added, increasing the atomic radius.
- It is easier for elements to gain outer electrons as extra shells are added, increasing the atomic radius.
- It is harder for elements to gain outer electrons as extra shells are added, increasing the atomic radius.
Correct

Incorrect
Question 29 of 35

29. Question
What compound is formed when group 2 carbonates undergo thermal decomposition?
- Metal oxide
- Metal hydroxide
- Salt
- Acid
Correct

Incorrect
Question 30 of 35

30. Question
What ions do group 2 elements form?
- 2+
- 1+
- 2-
- 1-
Correct

Incorrect
Question 31 of 35

31. Question
What compound is formed when group 2 carbonates undergo thermal decomposition?
- Carbon dioxide
- Water
- Hydrochloric acid
- Oxygen
Correct

Incorrect
Question 32 of 35

32. Question
What ions do group 1 elements form?
- 1+
- 2+
- 2-
- 1-
Correct

Incorrect
Question 33 of 35

33. Question
What is a compound reacted with if it undergoes thermal decomposition?
- Oxygen
- Chlorine
- Carbon dioxide
- Carbon monoxide
Correct

Incorrect
Question 34 of 35

34. Question
Write the equation for the reaction between magnesium and water.
- $Mg(s) + 2H_2O(l) -> Mg(OH)_2(aq) + H_2(g)$
- $Mg(s) + 2H_2O(l) -> MgO(aq) + H_2O(l)$
- $Mg(s) + 2H_2O(l) -> Mg(OH)_2(aq)$
- $Mg(s) + 2H_2O(l) -> MgO(aq)$
Correct

Incorrect
Question 35 of 35

35. Question
How is thermal decomposition taken place?
- By heating
- By condensing
- By cooling
- By distilling
Correct

Incorrect