Question 1
Question
Who first ordered elements by atomic mass?
Answer
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Mendeleev
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Dalton
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Newlands
Question 2
Question
Who created the law of octaves for ordering elements?
Answer
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Mendeleev
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Dalton
-
Newlands
Question 3
Question
Who created the modern periodic table?
Answer
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Mendeleev
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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.
Question 5
Question
What is unusual about the pair of elements tellurium (Te, Z = 52) and iodine (I, Z = 53)?
Answer
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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
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Tellurium has a higher relative atomic mass than iodine
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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.
Question 7
Question
True or false? Larger atoms lose electrons more easily and gain electrons less easily than smaller atoms.
Question 8
Question
Which of these are the most reactive in their respective groups?
Answer
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Potassium, Group 1
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Fluorine, Group 7
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Chlorine, Group 7
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Sodium, Group 1
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Rubidium, Group 1
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Bromine, Group 7
Question 9
Question
Which of these are properties of alkali metals?
Answer
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They have a low density
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They form coloured compounds and solutions
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They form white compounds and colourless solutions
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They have high melting and boiling points
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They have low melting and boiling points
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They have a high density
Question 10
Question
True or false? Caesium is less reactive than lithium as reactivity decreases going down the group.
Question 11
Question
What ion would you expect potassium (K) to form?
Question 12
Question
What do alkali metals produce on reaction with water?
Answer
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Metal chlorides
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Metal nitrates
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Metal sulphates
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Metal hydroxides
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Metal oxides
Question 13
Question
Which of these are properties of transition metals?
Answer
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They have a low density
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They have a high density
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They form white compounds and colourless solutions
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They form coloured compounds and solutions
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They have low melting and boiling points
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They have high melting and boiling points
Question 14
Question
True or false? Transition metals corrode easily.
Question 15
Question
What colour are copper (II) ions?
Question 16
Question
Which of these is the correct formula of vanadium (V) oxide?
Question 17
Question
Which of these are properties of the halogens?
Answer
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Low melting and boiling points
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High melting and boiling points
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Exist as diatomic molecules
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Exist as free radicals
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Good conductors of electricity
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Poor conductors of electricity
Question 18
Question
True or false? Reactivity in the halogens decreases going down the group.
Question 19
Question
Which of these ions would you expect iodine (I) to form?
Question 20
Question
Which halogen would displace chloride ions?
Answer
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Iodine
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Bromine
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Astatine
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Fluorine