Metal Reactivity & Halogens quiz

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

zinc

iron

copper

lead

Question 1 of 23

2. Describe how the reaction of hydrochloric acid and various metals could be used to determine the relative reactivity of those metals

Add the various metals to different test tubes containing the same volume but different concentrations of acid. The metals which bubble more are more reactive.

Add the various metals to different test tubes containing the same volume and concentration of acid. The metals which bubble more are less reactive.

Add the various metals to different test tubes containing the same volume but different concentrations of acid. The metals which bubble more are less reactive.

Add the various metals to different test tubes containing the same volume and concentration of acid. The metals which bubble more are more reactive.

Question 2 of 23

3. Which is less reactive: sodium or potassium?

Depends on the pressure

Potassium

Depends on the temperature

Sodium

Question 3 of 23

4. Where are non-metals found on the periodic table?

Only in the left hand column

Only on the bottom row

On the left, reaching across the middle

At the top right, plus hydrogen

Question 4 of 23

5. Identify the species that is oxidised in the following reaction. Explain your answer: 2Br⁻ + Cl₂ → 2Cl⁻ + Br₂

Bromine. Loses electrons

Bromide. Loses electrons

Bromine. Gains electrons

Chlorine. Gains electrons

Question 5 of 23

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

ZSO₄

X

XSO₄

Z

Question 6 of 23

7. On the Periodic Table what is the meaning of the word Period?

A Period is a collection of similar elements

A Period is a vertical column of similar elements

A Period is a horizontal row of elements

A Period is a collection of elements with the same number of electrons in the outer shell

Question 7 of 23

8. What colour and state is bromine at room temperature?

Orange liquid

Brown gas

Red-brown liquid

Grey solid

Question 8 of 23

9. Suggest how the reactivity of fluorine compares to chlorine

Fluorine is more reactive than chlorine as it is higher in the group.

Fluorine is less reactive than chlorine because it is more volatile

Fluorine is less reactive than chlorine as it is more stable as an element

Fluorine is more reactive than chlorine because it has a lower boiling point

Question 9 of 23

10. Write the word equation to represent the reaction between sulfuric acid and magnesium

sulfuric acid + magnesium → magnesium sulfide + water

sulfuric acid + magnesium → magnesium sulfate + water

sulfuric acid + magnesium → magnesium sulfide + hydrogen

sulfuric acid + magnesium → magnesium sulfate + hydrogen

Question 10 of 23

11. How many electrons can the second shell hold?

32

2

8

16

Question 11 of 23

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

2Na + 2H₂O → 2NaOH + H₂

Na + 2H₂O → 2NaOH + H₂

2Na + 2H₂O → 2NaOH + 2H₂

2Na + H₂O → Na₂OH + H₂

Question 12 of 23

13. Describe the test for chlorine gas

Turns moist litmus paper white (bleaches)

Burns with a squeaky pop

Turns damp red litmus paper blue

Relights a glowing splint

Question 13 of 23

14. 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 electronic configuration

same number of electrons in the outer shell

Same number of electrons in the inner shell

Same number of electron shells

Question 14 of 23

15. Explain, by referring to the electronic configurations, why potassium is more reactive than sodium.

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

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

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

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

Question 15 of 23

16. Explain, by referring to the electronic configurations, why fluorine is more reactive than chlorine

Fluorine has the electronic configuration 2,7 and chlorine has 2,8,7. An extra outer electron is gained more easily by chlorine. This is because the outer shell is closer to the nucleus, so an extra electron is attracted more strongly. So fluorine is more reactive than chlorine

Fluorine has the electronic configuration 2,7 and chlorine has 2,8,7. An extra outer electron is gained more easily by fluorine. This is because the outer shell is closer to the nucleus, so an extra electron is attracted more strongly. So fluorine is more reactive than chlorine

Fluorine has the electronic configuration 2,8,7 and chlorine has 2,7. An extra outer electron is gained more easily by fluorine. This is because the outer shell is closer to the nucleus, so an extra electron is attracted more strongly. So fluorine is more reactive than chlorine

Fluorine has the electronic configuration 2,8,7 and chlorine has 2,7. An extra outer electron is gained more easily by chlorine. This is because the outer shell is closer to the nucleus, so an extra electron is attracted more strongly. So fluorine is more reactive than chlorine

Question 16 of 23

17. Explain, in terms of electrons, why isotopes have the same chemical properties

Isotopes have different masses

Isotopes have the same number of electrons

Isotopes are radioactive

Isotopes have the same number of protons but a different number of neutrons

Question 17 of 23

18. Write the word equation for the formation of rust

iron + oxygen + water → hydrated iron (III) oxide

iron + oxygen → hydrated iron (III) oxide

iron + oxygen + water → hydrated iron (II) oxide

iron + oxygen → hydrated iron (II) oxide

Question 18 of 23

19. State the methods of how the rusting of iron may be prevented

grease, oil, paint, vacuum sealing and galvanising

grease, submerging, paint, plastic and galvanising

grease, oil, submerging, paint, vacuum sealing and galvanising

grease, oil, paint, plastic and galvanising

Question 19 of 23

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

Metal

Either metal or non-metal

Non-Metal

Depends on conditions

Question 20 of 23

21.

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

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

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

Question 21 of 23

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

Group 2, alkaline earth metals

Group 0, the noble gases

Group 7, the halogens

Group 1, the alkali metals

Question 22 of 23

23. Describe how reactivity changes as you descend group 7

decreases

remains the same

increases up to bromine, then decreases again

increases

Question 23 of 23

Metal Reactivity & Halogens quiz

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