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Elements in a _______________ are always combined in the same proportion by mass.
True
Atomic number
ability to react with oxygen
Compound
True
Density
burning
frying a hamburger
An example of a chemical change is _______.
True
Atomic number
ability to react with oxygen
Compound
True
Density
burning
frying a hamburger
_________ tells you the number of protons in the nucleus of each atom of an element.
True
Atomic number
ability to react with oxygen
Compound
True
Density
burning
frying a hamburger
The change that is NOT a physical change is _______.
True
Atomic number
ability to react with oxygen
Compound
True
Density
burning
frying a hamburger
An example of a chemical property is _________.
True
Atomic number
ability to react with oxygen
Compound
True
Density
burning
frying a hamburger
Carbon dioxide goes from solid to gas without becoming a liquid. This is a chemical change.
True
Atomic number
ability to react with oxygen
Compound
True
Density
burning
frying a hamburger
Luster is a property that describes the shininess of a metal.
True
Atomic number
ability to react with oxygen
Compound
True
Density
burning
frying a hamburger
____ is a physical property
True
Atomic number
ability to react with oxygen
Compound
True
Density
burning
frying a hamburger
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