Metal Reactivity & Halogens quiz

1. What colour and state is iodine at room temperature?

red-brown liquid

yellow-brown liquid

dark grey solid

brown gas

Question 1 of 23

2. Predict what colour and state is astatine at room temperature

black solid

black gas

yellow liquid

yellow solid

Question 2 of 23

3. Describe the conditions under which iron rusts

oxygen only

water and carbon dioxide

oxygen and water

carbon dioxide only

Question 3 of 23

4. Explain why bromine is less reactive than chlorine

Both chlorine and bromine react by their nucleus attracting an electron to fill their outer shell. The outer shell of bromine is closer to the nucleus, so the attraction is stronger, making it less reactive.

Both chlorine and bromine react by their nucleus attracting an electron to fill their outer shell. The outer shell of bromine is further from the nucleus, so the attraction is weaker, making it less reactive.

Both chlorine and bromine react by their nucleus attracting an electron to fill their outer shell. The outer shell of bromine is closer to the nucleus, so the attraction is weaker, making it less reactive.

Both chlorine and bromine react by their nucleus attracting an electron to fill their outer shell. The outer shell of bromine is further from the nucleus, so the attraction is stronger, making it less reactive.

Question 4 of 23

5. How many electrons in the outer shell of group 1 elements?

3

2

0

1

Question 5 of 23

6.

If pieces of lithium, potassium and sodium were cut and exposed to air, how could observations of the different reactions indicate the relative reactivity of those 3 metals?

Potassium would burn with a lilac flame showing it is most reactive. Lithium would not burn at all showing it is least reactive

Potassium would oxidise the most quickly, showing it is most reactive. Lithium would oxidise the slowest, showing it is least reactive.

Sodium would oxidise the most quickly, showing it is most reactive. Lithium would oxidise the slowest, showing it is least reactive.

Potassium would burn with a lilac flame showing it is least reactive. Lithium would not burn at all showing it is most reactive

Question 6 of 23

7. Put these 3 alkali metals in order of reactivity, starting with the most reactive: potassium, francium, lithium

lithium, potassium, francium

francium, potassium, lithium

potassium, lithium, francium

francium, lithium, potassium

Question 7 of 23

8. An experiment investigates which of metals X and Z is more reactive. The result is X + ZSO₄ → XSO₄ + Z. Which metal is more reactive?

XSO₄

ZSO₄

X

Z

Question 8 of 23

9. Which group of atoms has a full outer shell?

Group 0, the noble gases

Group 7, the halogens

Group 2, alkaline earth metals

Group 1, the alkali metals

Question 9 of 23

10. Which is more reactive: zinc, iron, lead or copper

copper

lead

iron

zinc

Question 10 of 23

11. What is sacrificial protection?

Sacrificial protection is when a more reactive metal is connected to a less reactive metal. Only the less reactive metal corrodes, so protecting the more reactive metal

Sacrificial protection is when a more reactive metal is close to a less reactive metal. Only the less reactive metal corrodes, so protecting the more reactive metal

Sacrificial protection is when a more reactive metal is connected to a less reactive metal. Only the more reactive metal corrodes, so protecting the less reactive metal

Sacrificial protection is when a more reactive metal is close to a less reactive metal. Only the more reactive metal corrodes, so protecting the less reactive metal

Question 11 of 23

12. Write the chemical equation for the reaction betweem sodium and water

2Na + 2H₂O → 2NaOH + 2H₂

Na + 2H₂O → 2NaOH + H₂

2Na + 2H₂O → 2NaOH + H₂

2Na + H₂O → Na₂OH + H₂

Question 12 of 23

13. Where are metals found on the periodic table?

Only in the left hand column

At the top right

On the left, reaching across the middle

Only on the bottom row

Question 13 of 23

14. On the Periodic table what is the meaning of the word Group?

A Group is a collection of similar elements

A Group is a horizontal row of elements

A Group is collection of elements with the same number of electron shells

A Group is a vertical column of similar elements

Question 14 of 23

15. Explain, by referring to the electronic configurations, why lithium is less reactive than sodium.

Sodium has the electronic configuration 2,8,1 and lithium has 2,8,8,1. The outer electron in lithium is more attracted to the nucleus than in sodium because it is further away. So sodium is more reactive than lithium

Sodium has the electronic configuration 2,8,1 and lithium has 2,1. The outer electron lost from sodium is closer to the nucleus therefore the electron is more attracted by the nucleus. So sodium is more reactive than lithium

Sodium has the electronic configuration 2,8,1 and lithium has 2,8,8,1. The outer electron in lithium is less attracted to the nucleus than in sodium because it is further away. So lithium is more reactive than sodium

Sodium has the electronic configuration 2,8,1 and lithium has 2,1. The outer electron lost from sodium is further from the nucleus therefore the electron is less attracted by the nucleus. So sodium is more reactive than lithium

Question 15 of 23

16. If an element doesn't conducts electricity, is it a metal or a non-metal?

Depends on conditions

Either metal or non-metal

Non-Metal

Metal

Question 16 of 23

17. Why would there be no reaction when iodine was added to sodium bromide solution?

Sodium is more reactive than iodine

Iodine is less reactive than bromine

Sodium is less reactive than iodine

Iodine is more reactive than bromine

Question 17 of 23

18. In the test of a gas, a glowing splint relights. What is the gas?

Chlorine

Oxygen

Carbon dioxide

Hydrogen

Question 18 of 23

19. Write the word equation to represent the reaction between hydrochloric acid and calcium

hydrochloric acid + calcium → calcium chloride + water

hydrochloric acid + calcium → calcium hydrochloride

hydrochloric acid + calcium → calcium hydrochloride + water

hydrochloric acid + calcium → calcium chloride + hydrogen

Question 19 of 23

20. On the Periodic table what is the meaning of the word Group? What does that tell us about the electron configuration of the atom?

Same number of electron shells

same number of electrons in the outer shell

Same number of electrons in the inner shell

Same electronic configuration

Question 20 of 23

21. Why do elements in the same group of the periodic table have similar chemical properties?

Elements in the same group of the periodic table have the same number of electrons in their outer shell

Elements in the same group of the periodic table are all the same type of element (metal, non-metal etc.)

Elements in the same group of the periodic table have the same number of protons

Elements in the same group of the periodic table have different numbers of electrons in their outer shell

Question 21 of 23

22. State the meaning of the term oxidising agent

A substance that gives electrons or removes oxygen (it is itself reduced)

A substance that gives electrons or removes oxygen (it is itself oxidised)

A substance that gives oxygen or removes electrons (it is itself oxidised)

A substance that gives oxygen or removes electrons (it is itself reduced)

Question 22 of 23

23.

If 2 similar test tubes contain acid, and a different metal sample is added to each, how might you tell which metal is more reactive?

More bubbles will appear faster in the test tube with the more reactive metal

The test tube with the more reactive metal will turn cloudy faster

Fewer bubbles appear in the test tube with the more reactive metal

The metal that disappears fastest is the less reactive metal

Question 23 of 23

Metal Reactivity & Halogens quiz

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