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WorksheetsScience Review 1.1
Total questions: 15
Worksheet time: 15mins
What is the atomic mass of Neon?
10
20.18
10.18
20
What is the atomic mass of Copper?
63.546
29
29.546
92
How many neutrons does an Oxygen atom have?
8
16
24
7.999
What does top most number (47) represent?
Number of protons
Number of neutrons
Number of electrons
Number of protons and neutrons
At which point does a roller-coaster have the greatest kinetic energy?
At the bottom of the tallest hill
At the top of the tallest hill
As it is climbing up the tallest hill
Kinetic energy never changes
What is the definition of a compound?
The smallest part of any substance which can exist on its own
Two or more atoms chemically joined together (can be the same or can be different)
A simple substance in which all the atoms are identical
Two or more different elements chemically joined together
The two sides of a chemical equation are called?
Reactants (left) and Products (right)
Ingredients (left) and Product (right)
Cations and Anions
Reactants (left) and Results (right)
2H2 + O2 --> 2H2O
2H2 + O2 --> 2H2O
3Cr(MnO4)6
