A Fictional Element Has Two Naturally Occurring Isotopes with the Natural

question 2

Multiple Choice

A fictional element has two naturally occurring isotopes with the natural abundances shown here:
Which statement is TRUE for this element?

• A)The atomic mass would be less than 18.
• B)The atomic mass would be closer to 18 than to 20.
• C)The atomic mass would be exactly 19.
• D)The atomic mass would be closer to 20 than to 18.
• E)The atomic mass would be greater than 20.