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Year 10 Chemistry #2 Flashcards | StudBud
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Year 10 Chemistry #2
Year 10 Chemistry #2
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1
How many
ELEMENTS
in this molecule?
3
12
45
1
2
The following element will
Form positive ions
Gain 2 electrons
Remain unchanged
Lose 7 electrons
3
How many
ELEMENTS
in the following molecule
3
5
6
1
4
Complete the following reaction
Carbonate
Alkali
Metal
Ion
5
When atoms form molecules by sharing electrons, the bonds are
Metallic
Ionic
Strong
Covalent
6
Copper sulfate is formed by
Ionic bonds
Weak bonds
Covalent bonds
Metallic bonds
7
Metals form positive ions while non-metals form negative ions
True
False
8
A substance dissolves in water and is a good conductor of electricity. It is most likely
A metal
Ionic
Covalent
Insoluble
9
If a neutralisation reaction is complete, the pH should be
7
1
0
10
10
Complete the following reaction
Carbon Dioxide + Water
Carbon Dioxide + Hydrogen
Water + Hydrogen
Carbon + Water
11
Complete the following reaction
Water
Acid
Hydrogen
Magnesium
12
Magnesium has 2 electrons in the outer shell (orbit). It will form ions of...
0
+2
-2
will not form ions
13
Complete the following reaction
Sodium Chloride
Hydrogen Hydroxide
Hydrogen Chloride
Carbon Dioxide
14
How many
ATOMS
in the following molecule
6
5
1
3
15
An insoluble solid forms during a chemical reaction. What type of reaction has occurred?
Substitution
Oxidation
Precipitation
Decomposition
16
A metal may be chemically decomposed by its natural environment e.g. rusting.This is
Combustion
Neutralisation
Corrosion
Precipitation
17
Chlorine has 7 electrons in the outer shell (orbit). It will form ions of ....
+2
+1
-1
-2
18
In chemistry, a salt is
Formed by metallic bonds
Formed by covalent bonds
Formed from ionic bonds
Held by nuclear forces
19
Water can be broken down to Hydrogen and Oxygen by electrolysis. This is an example of ......?
Neutralisation
Combustion
Corrosion
Decomposition
20
Complete the following reaction
Water
Salt
Carbon Dioxide
Hydrogen
21
Complete the following reaction
Copper Carbonate
Carbon Dioxide
Copper Oxide
Salt
22
When 2 non-metals combine to form a compound, the bond will be
Strong
Ionic
Metallic
Covalent
23
Complete the following reaction
Hydrogen
Salt
Energy
Acid
24
The best representation for electron shell configuration is
8:8:8
1:2:3
2:8:8
2:2:8
25
Lead iodide is
Metallic
A salt
A covalent substance
Soluble
26
Complete the following reaction
Carbon Dioxide
Salt
Water
Hydrogen
27
Complete the following reaction
Water
Magnesium Chloride
Magnesium Acid
Magnesium Chlorate
28
Burning magnesium is an example of
Decomposition
Combustion
Substitution
Corrosion
29
Complete the following reaction
Salt
Copper Sulfate
Sulfuric Carbonate
Copper Acid
