Author: Anonymous

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

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

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

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

Show your work and/or provide an explanation for how you got your answer to Question 2a, above. Include dimensional analysis with correct sig figs where appropriate, in the following format: Example:  1.25 mol A   x   (2 mol B)/(5 mol A)   =  0.500 mol B

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

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

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