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SI units are useful because they are all related by multiples of
molecules
passed straight through the foil
10
three
heterogeneous mixture
heterogeneous mixture into a homogeneous mixture
circle graph
less dense than the water
How many atoms of calcium are in a unit of calcium phosphate whose formula is Ca3(PO4)2
molecules
passed straight through the foil
10
three
heterogeneous mixture
heterogeneous mixture into a homogeneous mixture
circle graph
less dense than the water
When Rutherford performed his metal foil experiment, he was surprised that most of the alpha particles ____________.
molecules
passed straight through the foil
10
three
heterogeneous mixture
heterogeneous mixture into a homogeneous mixture
circle graph
less dense than the water
What is the name given to the units that make up covalently bonded compounds?
molecules
passed straight through the foil
10
three
heterogeneous mixture
heterogeneous mixture into a homogeneous mixture
circle graph
less dense than the water
When someone stirs cocoa powder into hot water or hot milk, the cocoa changes from a _________________.
molecules
passed straight through the foil
10
three
heterogeneous mixture
heterogeneous mixture into a homogeneous mixture
circle graph
less dense than the water
A cork is able to float on water because it is ____________.
molecules
passed straight through the foil
10
three
heterogeneous mixture
heterogeneous mixture into a homogeneous mixture
circle graph
less dense than the water
Vegetable soup is an example of a _______________.
molecules
passed straight through the foil
10
three
heterogeneous mixture
heterogeneous mixture into a homogeneous mixture
circle graph
less dense than the water
Which of the following visual displays would be best for describing the percentages of different gases in the atmosphere?
molecules
passed straight through the foil
10
three
heterogeneous mixture
heterogeneous mixture into a homogeneous mixture
circle graph
less dense than the water
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