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Q 1/14
Score 0
What is an element?
30
A substance made of 1 type of atom only
Something found in the periodic table
Q 2/14
Score 0
What is a compound?
30
Two or more elements not chemically bonded
Two or more elements chemically bonded
14 questions
Q.
What is an element?
1
30 sec
Q.
What is a compound?
2
30 sec
Q.
What is a mixture?
3
30 sec
Q.
What type of substance is this?
4
30 sec
Q.
What type of substance is this?
5
30 sec
Q.
What type of substance is this?
6
30 sec
Q.
The law of conservation of mass states that no mass can be lost or gained in a reaction. Use this to calculate the mass of carbon dioxide in the equation.
7
30 sec
Q.
What is relative atomic mass?
8
30 sec
Q.
Calculate the relative atomic mass of magnesium.
9
30 sec
Q.
What is the relative atomic mass of this element?
10
30 sec
Q.
What is the relative atomic mass of this element?
11
30 sec
Q.
What is the relative formula mass of this compound in the picture?
12
30 sec
Q.
Select the correct equation for calculating concentration.
13
30 sec
Q.
If 30g of salt has been dissolved into 25cm^3 of water calculate and the concentration of the solution formed.
