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