Pre Post Chemistry
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by Heidi Nock
| 10 Questions
1
1
Which of the following is an element
salt
water
oxygen
air
2
1
The smallest particle of an element that retains all of the properties of that element is called
electron
atom
molecule
nucleus
3
1
In order to calculate the density of an object
mutiply the length times width times height
the product of the mass and the volume
the volume divided by the mass
the mass divided by the volume
4
1
Which of the following is a compound
LiO2
Xe
Na
B
5
1
The smallest particle of a compound that retains all of the properties of that compound is called
atom
proton
molecule
element
6
1
Which of the following is an example of a chemical reaction. Check all that apply
Burning wood
Exploding firework
Metal rusting
Cutting the lawn
7
1
If the density of 10g of water is 1g/ml What is the density of 10g of water?
1g/ml
10g/ml
100g/ml
1000g/ml
8
1
Which of the following is not part of an atom
neutron
electron
cell
electron
9
1
How many protons are in an atom of Hydrogen
2
1
3
4

10
1
How many molecules are in 3CaCO3
3
6
9
27
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