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What is the symbol of the element below?  Enter the name using correct case (lowercase/uppercase). aluminum

What is the name of this element, whose element symbol is shown below?  Enter the name in all lowercase. H

What is the symbol of the element below?  Enter the name using correct case (lowercase/uppercase). zinc

What is the symbol of the element below?  Enter the name using correct case (lowercase/uppercase). argon

Which of the following notations is invalid (contains an error)?

What is the name of this element, whose element symbol is shown below?  Enter the name in all lowercase. Ca

What is the symbol of the element below?  Enter the name using correct case (lowercase/uppercase). mercury

How many of the following elements are metals? Br Fe Li B Al S

What is the symbol of the element below?  Enter the name using correct case (lowercase/uppercase). fluorine

What is the name of this element, whose element symbol is shown below?  Enter the name in all lowercase. Na