2.5 Chemical Symbols
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The symbol Fe could refer to which of the following?
- an iron atom - the element known as "iron - a macroscopic sample of iron
A chemical symbol will most often have how many letters?
2
What are valid chemical symbols?
O, He, F
Which element is NOT abbreviated based on an ancient name?
Radium (Ra)
The chemical symbol "CL" with two capital letters is used to represent which element?
it is not a valid chemical symbol
