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Chemistry - A review of year 10 - QLD Flashcards | StudBud
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Chemistry - A review of year 10 - QLD
Chemistry - A review of year 10 - QLD
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Revision quiz for qld year 10 chem
Flashcards
18 cards
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Practice quiz
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Questions
18
Answers
1
An atom of Sodium has how many neutrons?
11
13
10
12
2
This picture represents which atom?
Sulfer
Oxygen
Magnesium
Nitrogen
3
What is the balanced equation for the following?
Fe + H3Cl → FeCl2 + H2
Fe + 2HCl → FeCl2 + H2
Fe + HCl → FeCl2 + H2
2Fe + 2H3Cl → FeCl2 + 3H2
4
Why is Neon (pictured) un-reactive?
It has a full outer shell
It has 10 protons
It is a gas
It has 10 electrons
5
Most elements on the periodic table are classified as __________.
Gases
Metals
Metalloids
Nonmetals
6
What kind of reaction is shown?
Combustion
combination
Double displacement
Acid-Base
7
Magnesium burns in air to give magnesium oxide. What is the balanced equation?
Mg + H2O → MgO
Mg + O2 → 2MgO
Mg + O2 → MgO
Mg + O2 → 3MgO
8
Which group of elements is un-reactive?
Transition metals
Alkaline-earth metals
Inner transition metals
Noble Gases
9
How are elements in the periodic table organized?
Increasing number of electrons
Based on physical and chemical properties
Most reactive to least reactive
Alphabetically
10
This diagram represents which model of chemistry?
Neils Bohr's
James Chadwick
Dalton
Rutherford
11
Groups on the periodic table are arranged
Horizontally
Vertically
12
What type of reaction is shown?
Acid-base
Combustion
Single displacement
double displacement
13
Balance the following equation Mg + HCl → H
2
+ MgCl
2
Mg + 2HCl → H2 + MgCl2
Mg + HCl → H + MgCl
Mg + 2HCl → 2H2 + MgCl2
2Mg + 2HCl → H2 + MgCl2
14
Balance the following equation C
3
H
8
+ O
2
→ CO
2
+ H
2
O
6C3H8 + O2 → 2CO2 + H2O
C3H8 + 6O2 → CO2 + 8H2O
C3H8 + 5O2 → 2CO2 + H2O
C3H8 + 5O2 → 3CO2 + 4H2O
15
An unknown metal "A" reacts with Oxygen to form A
2
O. What group does A belong too?
Period 3
Group2
Period 1
Group1
16
Each horizontal row on the periodic table is called what?
Period
Group
17
Which group on the periodic table is the most reactive?
Halogens
Transition metals
Alkali metals
Alkaline-earth metals
18
Which symbol correctly represents a sodium ion
Na-
Na+
Fe
Na
