AQA GCSE Chemistry Unit 3.1

Matthew T
Quiz by , created over 5 years ago

Twenty questions on the first section of Unit 3 in AQA GCSE Chemistry: The periodic table.

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Matthew T
Created by Matthew T over 5 years ago
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Question 1

Question
Who first ordered elements by atomic mass?
Answer
  • Mendeleev
  • Dalton
  • Newlands

Question 2

Question
Who created the law of octaves for ordering elements?
Answer
  • Mendeleev
  • Dalton
  • Newlands

Question 3

Question
Who created the modern periodic table?
Answer
  • Mendeleev
  • Dalton
  • Newlands

Question 4

Question
True or false? The reason why Mendeleev's periodic table worked was because he left gaps for undiscovered elements which may have had similar properties.
Answer
  • True
  • False

Question 5

Question
What is unusual about the pair of elements tellurium (Te, Z = 52) and iodine (I, Z = 53)?
Answer
  • Tellurium has similar properties to the halogens and is placed with them, while iodine has similar properties to Group 6 and is placed with them
  • Tellurium has a higher relative atomic mass than iodine
  • Tellurium has 7 outer electrons although it is placed in Group 6, and iodine has 6 outer electrons but is placed in Group 7

Question 6

Question
True or false? In the modern periodic table, elements are arranged by mass number.
Answer
  • True
  • False

Question 7

Question
True or false? Larger atoms lose electrons more easily and gain electrons less easily than smaller atoms.
Answer
  • True
  • False

Question 8

Question
Which of these are the most reactive in their respective groups?
Answer
  • Potassium, Group 1
  • Fluorine, Group 7
  • Chlorine, Group 7
  • Sodium, Group 1
  • Rubidium, Group 1
  • Bromine, Group 7

Question 9

Question
Which of these are properties of alkali metals?
Answer
  • They have a low density
  • They form coloured compounds and solutions
  • They form white compounds and colourless solutions
  • They have high melting and boiling points
  • They have low melting and boiling points
  • They have a high density

Question 10

Question
True or false? Caesium is less reactive than lithium as reactivity decreases going down the group.
Answer
  • True
  • False

Question 11

Question
What ion would you expect potassium (K) to form?
Answer
  • K+
  • K2+
  • K-
  • K2-

Question 12

Question
What do alkali metals produce on reaction with water?
Answer
  • Metal chlorides
  • Metal nitrates
  • Metal sulphates
  • Metal hydroxides
  • Metal oxides

Question 13

Question
Which of these are properties of transition metals?
Answer
  • They have a low density
  • They have a high density
  • They form white compounds and colourless solutions
  • They form coloured compounds and solutions
  • They have low melting and boiling points
  • They have high melting and boiling points

Question 14

Question
True or false? Transition metals corrode easily.
Answer
  • True
  • False

Question 15

Question
What colour are copper (II) ions?
Answer
  • Red
  • Green
  • Blue

Question 16

Question
Which of these is the correct formula of vanadium (V) oxide?
Answer
  • VO5
  • V5O
  • V2O5
  • V5O2

Question 17

Question
Which of these are properties of the halogens?
Answer
  • Low melting and boiling points
  • High melting and boiling points
  • Exist as diatomic molecules
  • Exist as free radicals
  • Good conductors of electricity
  • Poor conductors of electricity

Question 18

Question
True or false? Reactivity in the halogens decreases going down the group.
Answer
  • True
  • False

Question 19

Question
Which of these ions would you expect iodine (I) to form?
Answer
  • I+
  • I2+
  • I-
  • I2-

Question 20

Question
Which halogen would displace chloride ions?
Answer
  • Iodine
  • Bromine
  • Astatine
  • Fluorine