Lesson 5.1.2.6
5.1.2.6 Group 7 Quiz: AQA Combined Science, Unit 8
20 questions
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Lesson 5.1.2.6, Group 7: 20 multiple choice questions for the AQA GCSE Combined Science (8464), Unit 8: Atomic structure and the periodic table, written with Revision Ninja.
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The 20 questions
-
Group 7 elements are known as:
- Alkali metals
- Transition elements
- Noble gases
- Halogens
-
How many outer electrons do halogens have?
- 8
- 2
- 7
- 1
-
What structure do halogen elements have at room temperature?
- Ionic networks
- Diatomic molecules
- Single atoms
- Giant lattices
-
What happens to the melting point of elements going down Group 7?
- Increases
- Stays constant
- Drops to zero
- Decreases
-
Going down Group 7, reactivity:
- Decreases
- Increases
- Stays the same
- Oscillates
-
Which halogen is more reactive, chlorine or iodine?
- Chlorine
- Neither
- Iodine
- Both equal
-
What can a more reactive halogen do to a less reactive halogen salt solution?
- Displace it
- Neutralise it
- Condense it
- Melt it
-
Which halogen is a gas at room temperature?
- Chlorine
- Iodine
- Astatine
- Bromine
-
What forms when bromine solution is added to potassium iodide solution?
- Astatine
- Iodine
- Fluorine
- Chlorine
-
Why does chlorine displace bromine from potassium bromide solution?
- Bromine is a metal
- Chlorine is a liquid
- Chlorine is more reactive
- Bromine has more shells
-
How does melting point change going down Group 7?
- It drops to zero
- It increases
- It decreases
- It stays constant
-
What is the formula of chlorine gas?
- Cl₃
- Cl₄
- Cl
- Cl₂
-
What compound forms when sodium reacts with chlorine?
- Sodium chloride
- Sodium hydride
- Sodium oxide
- Sodium chlorate
-
Which halogen has the higher relative molecular mass?
- Iodine
- Chlorine
- Fluorine
- Both are equal
-
What is the predicted reactivity of astatine compared with iodine?
- Lower
- Maximum
- Higher
- The same
-
What type of compound is formed when a halogen reacts with a metal?
- An ionic compound
- A metallic alloy
- A noble gas
- A giant covalent solid
-
A chemist predicts that fluorine (Group 7) reacts with potassium. What product is predicted?
- Potassium hydroxide
- Potassium hydride
- Potassium fluoride
- Potassium oxide
-
What type of compound forms when chlorine reacts with a metal?
- Pure metal
- Ionic compound
- Simple covalent
- Giant covalent
-
Bromine is added to sodium iodide solution. What is formed?
- Sodium bromide and iodine
- Sodium bromate and water
- Sodium iodide and bromine
- Sodium chlorate and iodine
-
Why are halogens classified as non-metals in terms of ions?
- They share protons
- They lose electrons
- They create neutrons
- They gain electrons
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