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Science Quiz - Metals and Non-metals 01 (Questions)

Revise what you know about elements. Which metal is liquid at room temperature?

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This KS3 Science quiz takes a look at metals and non-metals. Dividing chemical elements into groups can be helpful. One of the simplest groupings is to split them up according to whether they are metals or non-metals. The periodic table is a list of all of the elements that we know about and it turns out that there are many more metals than there are non-metals. The non-metals are found on the right hand side of the periodic table, where they are divided off from the metals by a zig-zag line.

The metals and non-metals have very different chemical and physical properties (ways in which they behave). Metals conduct electricity, but non-metals don't. Metals can be bent and hammered into shapes without breaking, non-metals shatter. Metals form alkalis and non-metals form acids. There are many other properties too, usually they are opposites. There are exceptions to the rules as well, for example, the metal mercury is a liquid at room temperature but all other metals are solids.

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1. The approximate number of elements we know about today is .......
[ ] 18
[ ] 48
[ ] 118
[ ] 1018
2. Where are the non-metallic elements found in the periodic table?
[ ] In the middle
[ ] In the top rows
[ ] On the left-hand side
[ ] On the right-hand side
3. The list which contains only metals is .......
[ ] aluminium, copper, nitrogen
[ ] iron, oxygen, hydrogen
[ ] iron, silver, aluminium
[ ] iron, sulfur, copper
4. Bronze is an alloy. It is composed of .......
[ ] copper and tin
[ ] copper and zinc
[ ] iron and zinc
[ ] lead and tin
5. A metal which is used in jewellery is .......
[ ] lead
[ ] silver
[ ] tin
[ ] tungsten
6. A metal, such as platinum, may be used in jewellery as .......
[ ] it is shiny and reactive
[ ] it is shiny and unreactive
[ ] it is soft and a good conductor of heat
[ ] it is soft and cheap
7. The correct way to write the symbol for the metal chromium is .......
[ ] Ch
[ ] CH
[ ] Cr
[ ] CR
8. The list which best describes the properties of metals is .......
[ ] strong, good conductor of heat and electricity, solid
[ ] strong, poor conductor of heat and electricity, shiny
[ ] weak, ductile, good conductor of heat and electricity
[ ] weak, low melting point, poor conductor of heat
9. The most abundant metal in the Earth's crust is .......
[ ] aluminium
[ ] copper
[ ] gold
[ ] iron
10. The filament of a light bulb consists of the metal .......
[ ] aluminium
[ ] iron
[ ] silver
[ ] tungsten

You can find more about this topic by visiting BBC Bitesize - Metals and non-metals

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Science Quiz - Metals and Non-metals 01 (Answers)
1. The approximate number of elements we know about today is .......
[ ] 18
[ ] 48
[x] 118
[ ] 1018
It is quite possible scientists will discover even more elements
2. Where are the non-metallic elements found in the periodic table?
[ ] In the middle
[ ] In the top rows
[ ] On the left-hand side
[x] On the right-hand side
Some of the elements either side of the dividing line show properties of both metals and non-metals, for example silicon conducts electricity but cannot be bent or hammered into shape - it shatters
3. The list which contains only metals is .......
[ ] aluminium, copper, nitrogen
[ ] iron, oxygen, hydrogen
[x] iron, silver, aluminium
[ ] iron, sulfur, copper
Nitrogen, oxygen, hydrogen and sulfur are all non-metals
4. Bronze is an alloy. It is composed of .......
[x] copper and tin
[ ] copper and zinc
[ ] iron and zinc
[ ] lead and tin
An alloy is a mixture of metals
5. A metal which is used in jewellery is .......
[ ] lead
[x] silver
[ ] tin
[ ] tungsten
It is less expensive than gold and platinum and will stay shiny for a long time
6. A metal, such as platinum, may be used in jewellery as .......
[ ] it is shiny and reactive
[x] it is shiny and unreactive
[ ] it is soft and a good conductor of heat
[ ] it is soft and cheap
People like jewellery to be shiny and to stay shiny. Unreactive metals like gold and platinum take a long time to tarnish (lose their shine)
7. The correct way to write the symbol for the metal chromium is .......
[ ] Ch
[ ] CH
[x] Cr
[ ] CR
If the symbol contains two letters, the first is a capital so that immediately rules out the second and the fourth options
8. The list which best describes the properties of metals is .......
[x] strong, good conductor of heat and electricity, solid
[ ] strong, poor conductor of heat and electricity, shiny
[ ] weak, ductile, good conductor of heat and electricity
[ ] weak, low melting point, poor conductor of heat
Some metals conduct heat and electricity better than others
9. The most abundant metal in the Earth's crust is .......
[x] aluminium
[ ] copper
[ ] gold
[ ] iron
There is 8.2% aluminium in Earth's crust found as bauxite, aluminium oxide, never as the element
10. The filament of a light bulb consists of the metal .......
[ ] aluminium
[ ] iron
[ ] silver
[x] tungsten
Tungsten has the highest melting point of all pure metals at 3,422°C
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