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AQA GCSE Chemistry Unit 2.1

Description

Twenty questions for the first section of Unit 2 in AQA GCSE Chemistry: Structure and bonding.
Matthew T
Quiz by Matthew T, updated more than 1 year ago
Matthew T
Created by Matthew T over 10 years ago
1011
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2

Resource summary

Question 1

Question
True or false? All atoms take part in reactions in order to achieve the structure of a noble gas.
Answer
  • True
  • False

Question 2

Question
Which type of bonding involves the sharing of electrons?
Answer
  • Covalent
  • Ionic

Question 3

Question
Which type of bonding involves the transfer of electrons?
Answer
  • Covalent
  • Ionic

Question 4

Question
True or false? Atoms which lose electrons become negatively charged ions.
Answer
  • True
  • False

Question 5

Question
Which of the following metals would lose two electrons to form a 2+ ion?
Answer
  • Sodium (Na)
  • Magnesium (Mg)
  • Aluminium (Al)
  • Potassium (K)
  • Calcium (Ca)

Question 6

Question
What holds ions together?
Answer
  • Electrostatic forces of attraction
  • Small invisible bridges
  • Nothing - they remain free-form

Question 7

Question
True or false? The structure of ionic compounds can be described as a giant lattice.
Answer
  • True
  • False

Question 8

Question
What type of diagram can we use to represent ionic bonding?
Answer
  • Van der Waals diagrams
  • Dot-and-cross diagrams
  • Lewis diagrams

Question 9

Question
True or false? The formula of an ionic compound represents the number of each atom in a molecule.
Answer
  • True
  • False

Question 10

Question
Which of these is the correct formula for barium iodide?
Answer
  • BaI
  • Ba2I
  • BaI2

Question 11

Question
Which of these is the correct formula for potassium phosphate?
Answer
  • KPO4
  • K3PO4
  • K(PO4)3

Question 12

Question
Which of these is the correct formula for iron (III) sulphate?
Answer
  • FeSO4
  • Fe2(SO4)3
  • Fe3(SO4)2

Question 13

Question
Between which two types of element do covalent bonds occur?
Answer
  • Metal and metal
  • Metal and non-metal
  • Non-metal and non-metal

Question 14

Question
How many electrons does a single covalent bond involve?
Answer
  • One
  • Two
  • Three
  • Four

Question 15

Question
True or false? The diatomic molecule of oxygen is made through a triple covalent bond.
Answer
  • True
  • False

Question 16

Question
True or false? Silica is a giant covalent macromolecule.
Answer
  • True
  • False

Question 17

Question
True or false? Metals do not form crystals because they are arranged in regular layers.
Answer
  • True
  • False

Question 18

Question
How can we describe the structure of a metal?
Answer
  • Simple molecule
  • Macromolecule
  • Giant lattice

Question 19

Question
What do metal atoms use to form metallic bonds?
Answer
  • Inner electron(s)
  • Neutron(s)
  • Outer electron(s)

Question 20

Question
True or false? Metals are strongly, electrostatically, attracted to the sea of delocalised electrons.
Answer
  • True
  • False
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