Topic 3 – The Periodic Table
General Level
1.The names of some elements are shown.
A / B / Czinc / fluorine / sulphur
D / E / F
sodium / carbon / plutonium
You may wish to use page 8 of the data booklet to help you.
(a)Identify the element with the symbol Na.
1 mark (PS)
(b)Identify the element made by scientists.
1 mark (PS)
(c)Identify the element which is a halogen.
1 mark (KU)
(d) Identify the alkali metal
1 mark (KU)
2. The symbols of some elements are shown below.
You may wish to use page 8 of the data booklet.
A / B / CKr / Po / K
D / E
P / Pt / Pb
(a)Identify the symbol for potassium.
1 mark (PS)
(b)Identify the two elements discovered in the same year.
1 mark (PS)
3. The five most abundant elements in the Earth's crust are shown below.
A / oxygenB / silicon
C / aluminium
D / iron
E / calcium
(b)Identify the two non-metals.
1 mark (PS)
(c)Identify the first of these elements to be discovered.
You may wish to use page 8 of your data book to help you.
1 mark (PS)
(d)Identify the element which has atomic number 20.
1 mark (KU)
4. The grid contains the names of some elements.
A / B / Cneon / lithium / chlorine
D / E / F
oxygen / copper / argon
(a)Identify the alkali metal.
2 mark (PS)
(b)Identify the element with the highest melting point.
You may wish to use page 3 of the data booklet to help you.
1 mark (PS)
(c)Identify the two very unreactive elements.
1 mark (PS)
5. The diagram shows part of the Periodic Table.
The letters do not represent the symbols for the elements.
(a)Identify the two metal elements.
1 mark (KU)
(b)Identify the element with 6 electrons in its outer energy level.
1 mark (KU)
(c)Identify the two elements with similar chemical properties.
1 mark (PS)
6. The diagram shows part of the Periodic Table.
The letters do not represent the symbols for the elements.
(a)Identify the element which has the electron arrangement 2, 5.
1 mark (PS)
(b)Identify the two elements with similar chemical properties.
1 mark (PS)
(c)Identify the noble gas.
1 mark (KU)
7.When manganese dioxide is added to hydrogen peroxide solution, oxygen gas is produced.
(a)Heat is produced in the above reaction. What name is given to a chemical reaction which releases heat?
1 mark (KU)
(b) In this reaction manganese dioxide is acting as a catalyst.
What is a catalyst ?
1 mark (KU)
(c)1 gram of catalyst was placed in the reaction vessel at the start of the reaction. What mass of catalyst would remain when the reaction was complete?
1 mark (KU)
8. Chlorine and iodine are both members of the same group in the Periodic Table.
(a)What is the family name for the group to which chlorine and iodine belong ?
1 mark (KU)
(b)Why are chlorine and iodine in the same group of the Periodic Table?
1 mark (KU)
(c) The pie chart shows the percentages of iodine used to make other substances.
photography chemicals
Summarise the information in the chart in a table.
2 marks (PS)
9. The structure of an atom can be represented in a simple diagram.
Boron
(a)Complete the diagram below to show the structure of a fluorine atom.
You may wish to use page 1 of the data booklet.
1 mark (PS)
fluorine
(b)Why are atoms neutral?
1mark (KU)
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SG Chemistry Topic 3 – General