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iGCSE The Periodic Table Flashcards | StudBud
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iGCSE The Periodic Table
iGCSE The Periodic Table
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Paper 2 style questions
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
Which structure, A , B , C , D or E , is a diatomic molecule?
C
A
E
B
2
State which Period 3 element is a green gas at room temperature and pressure.
Cl
P
Ar
S
3
Which substances react with aqueous potassium bromide to form bromine?
D
A
B
C
4
Which structure, A , B , C , D or E , contains atoms of two different halogens?
A
C
B
D
5
In the Periodic Table, how does the metallic character of the elements vary from left to right across a period?
It stays the same
It increases then decreases
It decreases
It increases
6
State which one of these substances can act as a catalyst...
U
R
T
S
7
Give one use of argon.
It balloons
In hospitals
In lightbulbs
In diving tanks
8
Which element is a gas that does not form a compound with potassium?
D
A
B
C
9
State which Period 3 element is soft, metallic and stored in oil.
Mg
Al
Si
Na
10
Which statement about transition elements and their compounds is correct?
Transition elements can act as catalysts but their compounds cannot.
All the transition elements have an oxidation state of +2 only.
Transition elements change from metal to non-metal across the period.
Aqueous solutions of the salts of transition elements are coloured.
11
Complete the symbol equation for this reaction.
1.5
1
2
3
12
Which statement about the element bromine is correct?
It has a higher density than chlorine.
It is a green gas at room temperature.
It is a diatomic metal.
It displaces chlorine from aqueous potassium chloride.
13
Iodine is formed when chlorine is added to potassium iodide. Use ideas about reactivity to explain why.
Chlorine is more reactive than iodine
Iodine is more reactive than chlorine
Bromine is more reactive than chlorine
They both have 7 outer electrons
14
A flammable gas needs to be removed from a tank. For safety reasons, an inert gas is used. Which gas is used?
hydrogen
oxygen
methane
argon
15
State which gas is a monatomic gas with ten protons in its nucleus.
Helium
Neon
Nitrogen
Oxygen
16
Which information about an element can be used to predict its chemical properties?
it's position in the periodic table
density
melting point
boiling point
17
Which one of these is a property NOT shown by transition metals?
Have low melting points
Variable oxidation states
Are good catalysts
Form colourful compounds
18
Explain why helium and not hydrogen is used to fill party balloons?
Helium is colourless
Helium is flammable
Helium is dense
Helium is intert
19
Describe the trend in the boiling points of the halogens.
It decreases
It increases
It stays the same
It increases then decreases
20
Which statements are correct for the noble gases?
2, 3, 4
1, 3, 4
1, 2, 4
1, 2, 3
