Properties of Period 3 elements and their oxides – Primrose Kitten

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Properties of Period 3 elements and their oxides

Last updated: 12/02/2020

Oxford AQA International A-Level Chemistry Properties of Period 3 elements and their oxides Properties of Period 3 elements and their oxides

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Question 1 of 24

1. Question
Which of the following trends, from left to right, is correct for period 3 elements?
- Metals to non-metals
- Gases to liquids
- Non-metals to metals
- Liquids to solids
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Question 2 of 24

2. Question
Which of the following nobel gases are in period 3?
- Argon
- Helium
- Neon
- Xenon
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Question 3 of 24

3. Question
What type of reaction can all elements of period 3 take part in?
- Redox
- Displacement
- Neutralisation
- Disproportionation
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Question 4 of 24

4. Question
Why are all reactions of period 3 elements redox reactions?
- The oxidation states of period 3 elements alone do not change during a reaction
- The elements always start with an oxidation state of 0
- Period 3 elements are unreactive
- The oxidation states are never the same
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Question 5 of 24

5. Question
Describe the reaction of sodium with water.
- Quick
- Slow
- Reacts only in distilled water
- Unreactive
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Question 6 of 24

6. Question
Describe the reaction of magnesium with water.
- Slow
- Quick
- Reacts only in distilled water
- Unreactive
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Question 7 of 24

7. Question
What is the oxidation state of a period 3 element when it reacts?
- 0
- 1
- 2
- 3
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Question 8 of 24

8. Question
Write the equation for the reaction between sodium and water.
- $2Na(s) + 2H_2O(l) -> 2NaOH(aq) + H_2(g)$
- $Na(s) + H_2O(l) -> NaOH(aq)$
- $Na(s) + H_2O(l) -> NaOH(aq) + H_2(g)$
- $2Na(s) + 2H_2O(l) -> 2NaOH(aq)$
Correct

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Question 9 of 24

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

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Question 10 of 24

10. Question
What type of oxide is formed when a period 3 metal reacts with oxygen?
- Basic oxide
- Acidic oxide
- Monobasic oxide
- Amphoteric oxide
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Question 11 of 24

11. Question
What type of oxide is formed when a period 3 non-metal reacts with oxygen?
- Acidic oxide
- Basic oxide
- Monobasic oxide
- Amphoteric oxide
Correct

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Question 12 of 24

12. Question
Write the equation for the reaction between sodium and oxygen.
- $2Na(s) + ½O_2(g) -> Na_2O(s)$
- $2Na(s) + 2O_2(g) -> Na_2O(s)$
- $2Na(s) + ½O_2(g) -> 2Na_2O(s)$
- $Na(s) + ½O_2(g) -> Na_2O(s)$
Correct

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Question 13 of 24

13. Question
Write the equation for the reaction between magnesium and oxygen.
- $2Mg(s) + ½O_2(g) -> Mg_2O(s)$
- $2Mg(s) + 2O_2(g) -> Mg_2O(s)$
- $2Mg(s) + ½O_2(g) -> 2Mg_2O(s)$
- $Mg(s) + ½O_2(g) -> Mg_2O(s)$
Correct

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Question 14 of 24

14. Question
Write the equation for the reaction between aluminium and oxygen.
- $2Al(s) + ½O_2(g) -> Al_2O(s)$
- $2Al(s) + 2O_2(g) -> Al_2O(s)$
- $2Al(s) + ½O_2(g) -> 2Al_2O(s)$
- $Al(s) + ½O_2(g) -> Al_2O(s)$
Correct

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Question 15 of 24

15. Question
Write the equation for the reaction between silicon and oxygen.
- $2Si(s) + ½O_2(g) -> Si_2O(s)$
- $2Si(s) + 2O_2(g) -> Si_2O(s)$
- $2Si(s) + ½O_2(g) -> 2Si_2O(s)$
- $Si(s) + ½O_2(g) -> Si_2O(s)$
Correct

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Question 16 of 24

16. Question
Write the equation for the reaction between phosphorus and oxygen.
- $2P(s) + ½O_2(g) -> P_2O(s)$
- $2P(s) + 2O_2(g) -> P_2O(s)$
- $2P(s) + ½O_2(g) -> 2P_2O(s)$
- $P(s) + ½O_2(g) -> P_2O(s)$
Correct

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Question 17 of 24

17. Question
Write the equation for the reaction between sulfur and oxygen.
- $2S(s) + ½O_2(g) -> S_2O(s)$
- $2S(s) + 2O_2(g) -> S_2O(s)$
- $2S(s) + ½O_2(g) -> S_2O(s)$
- $S(s) + ½O_2(g) -> S_2O(s)$
Correct

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Question 18 of 24

18. Question
Describe the trend in melting point across period 3 elements.
- Melting point decreases across the period
- Melting point increases across the period
- The trend in melting point will depend on the state of the elements
- All period 3 elements have the same melting point
Correct

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Question 19 of 24

19. Question
Describe the change in bonding across the period 3 elements, from left to right.
- Ionic to covalent
- Ionic to metallic
- Covalent to electrostatic
- Covalent to ionic
Correct

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Question 20 of 24

20. Question
Describe the change in structure across the period 3 elements, from left to right.
- Giant to molecular
- Covalent to giant
- Molecular to giant
- Giant to covalent
Correct

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Question 21 of 24

21. Question
Describe the change in acidity across the period 3 elements, from left to right.
- From alkali to acidic
- From acidic to alkali
- All elements are alkali
- All elements are acidic
Correct

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Question 22 of 24

22. Question
Write the equation for the reaction between sodium oxide and oxygen.
- $Na_2O(s) + H_2O(l) -> 2NaOH(aq)$
- $NaO(s) + H_2O(l) -> 2NaOH(aq)$
- $NaO(s) + H_2O(l) -> NaOH(aq)$
- $Na_2O(s) + H_2O(l) -> NaOH(aq)$
Correct

Incorrect
Question 23 of 24

23. Question
Write the equation for the reaction between magnesium oxide and oxygen.
- $Mg_2O(s) + H_2O(l) -> 2Mg(OH)_2(aq)$
- $MgO(s) + H_2O(l) -> 2MgOH(aq)$
- $MgO(s) + H_2O(l) -> Mg(OH)_2(aq)$
- $Mg_2O(s) + H_2O(l) -> MgOH(aq)$
Correct

Incorrect
Question 24 of 24

24. Question
Write the equation for the reaction between sulfur dioxide and oxygen.
- $SO_2(g) + H_2O(l) -> H_2PO_3(aq)$
- $SO_2(g) + 3H_2O(l) -> H_2PO_3(aq)$
- $SO_2(g) + 2H_2O(l) -> 4H_2PO_3(aq)$
- $SO(g) + H_2O(l) -> H_2PO_3(aq)$
Correct

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