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Activate C1.2 Atoms, Elements, Compounds and Mixtures Flashcards | StudBud
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Activate C1.2 Atoms, Elements, Compounds and Mixtures
Activate C1.2 Atoms, Elements, Compounds and Mixtures
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#ks3 #science #revision #y7 #Activate #Chemistry #atoms #elements #compounds #mixtures
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Answers
1
An element is a...
substance that can't be broken down into simpler substances
substance that can be broken down into simpler substances
a substance made from simpler substances
2
A chemical symbol is...
The 1 or 2 letter code for the element
The 2 or 3 letter code for the element
The first 2 or 3 letters of an elements name
The first 1 or 2 letters of an elements name
3
Which one is an element?
Sulfate
Magnesium oxide
Copper
Copper sulfate
4
An atom is...
A Greek word meaning "indivisible"
The smallest part of an element that can exist
The spheres that everything is made up from.
5
What does the diagram represent?
A compound
A mixture of compounds and elements
An element
A mixture of elements
6
Which of the following is not an element in carbon dioxide?
Oxygen
Dioxide
Carbon
7
1kg (1000g) of gold has approximately...
3 000 000 000 000 000 000 000 000 atoms
300 000 atoms
300 atoms
30 atoms
8
The periodic table shows us...
Mixtures
Compounds
Atoms
Elements
9
A compound is...
Two or more different atoms chemically joined together
Two or more different atoms chemically joined together
10
A molecule is...
Two or more different atoms chemically joined together
Two or more of the same atoms chemically joined together
11
The chemical formula for Water is...
H2O
HO2
H₂O
HO₂
12
Which one is a compound?
Copper
Hydrogen
Copper sulfate
Sulfate
13
The properties of a compound are...
Different to the elements in it
The same as one of the elements in it
A mixture of the 2 elements in it
14
Carbon dioxide is an example of a/an...
...compound
...atom
...mixture
...element
15
The chemical formula of a compound shows us...
The relative number of atoms
The relative number of atoms of each element in a molecule
The relative number of atoms of each element in a compound
The relative number of pieces of each element in a compound
16
The compound formed from Aluminium and Oxygen is called...
Aluminium monoxide
AlO
Aluminium Oxygen
Aluminium Oxide
