Elements and Symbols (Remediation)

Elements and Symbols (Remediation)

Multiple Choice

Which of these is the correct symbol for Argon?

• AR

• Ar

Multiple Choice

What is the correct symbol for Radium?

• Ra

• RA

Multiple Choice

What is the correct symbol for Barium?

• BA

• Ba

How many elements?

• CO_{2 is Carbon Dioxide. It has 2 elements: Carbon and Oxygen.}

• H₂O is Water. It has 2 elements: Hydrogen and Oxygen.

• We aren't counting atoms. We aren't looking at the numbers. We are simply looking at the letters which represent the elements.

Multiple Choice

How many ELEMENTS are in the compound NH₃ ?

• 2

• 4

Multiple Choice

How many ELEMENTS are in the compound C₆H₁₂O_6?

• Not enough information given

• 3