Lesson 5.1.2.5
5.1.2.5 Group 1 Quiz: AQA Combined Science, Unit 8
20 questions
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Lesson 5.1.2.5, Group 1: 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 1 elements are known as:
- Noble gases
- Transition metals
- Halogens
- Alkali metals
-
What gives Group 1 elements their characteristic chemical properties?
- Seven outer electrons
- One outer electron
- Full outer shell
- Two outer electrons
-
Reactivity of Group 1 elements going down the group:
- Increases
- Decreases
- Stays the same
- Varies randomly
-
Which element is the first alkali metal?
- Caesium
- Sodium
- Potassium
- Lithium
-
What is produced when a Group 1 metal reacts with water?
- Hydroxide and hydrogen
- Oxide and oxygen
- Chloride and chlorine
- Hydride and heat
-
Group 1 metals react with chlorine to form:
- Metal chlorides
- Metal hydrides only
- Metal hydroxides
- Metal oxides
-
Which of the first three alkali metals is the most reactive?
- Sodium
- Helium
- Lithium
- Potassium
-
Why are Group 1 metals stored under oil?
- To increase reactivity
- To stop conduction
- To prevent air contact
- To prevent melting
-
Which element is more reactive with water, sodium or rubidium?
- Neither reacts
- Rubidium
- Sodium
- Both equal
-
How many electrons does a sodium atom transfer to chlorine during ionic bonding?
- Three
- One
- Two
- Zero
-
Lithium reacts with oxygen. What is the formula of lithium oxide?
- Li₂O
- Li₂O₂
- LiO
- LiO₂
-
Potassium reacts with water. Which gas is produced?
- Oxygen
- Chlorine
- Carbon dioxide
- Hydrogen
-
Which metal reacts more vigorously with water, sodium or potassium?
- Sodium
- Both equal
- Neither
- Potassium
-
What is observed when a small piece of lithium reacts with water?
- Gentle fizzing
- Bright lilac flame
- No reaction
- Explosion
-
What ion is formed by an atom with 19 protons?
- Ca2+
- Cl-
- K+
- Na+
-
Sodium reacts with chlorine. What is the formula of the product?
- NaCl
- NaCl₂
- Na₂Cl
- NaCl₃
-
What happens to the reactivity of alkali metals going down Group 1?
- Disappears
- Stays constant
- Increases
- Decreases
-
What are the products of sodium reacting with water?
- Sodium hydroxide and hydrogen
- Sodium chloride and water
- Sodium hydride and steam
- Sodium oxide and oxygen
-
A Group 1 element X forms XCl with chlorine. What is the formula of its oxide?
- X₂O
- XO₂
- XO
- X₂O₃
-
Why are Group 1 elements classified as metals?
- They form positive ions
- They form negative ions
- They share electron pairs
- They are all gases
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