Mass Spectrometry and Finding Avg Atomic Mass

Mass Spectrometry and Finding Avg Atomic Mass

Poll

Did you watch the video?

• Yes, I watched and took notes

• Yes, I watched but no notes

• No I did not watch the video

Open Ended

Do you have any questions about what you watched last night?

Fill in the Blanks

How many peaks do you see?

Multiple Choice

Which element is most likely represented by this spectrum?

• Y

• Zr

• Nb

• Th

Poll

Level of Confidence on the last question

• Confident 

• Neutral

• Confused

Multiple Choice

24.1% of all the isotopes of a an element have a mass of 75.23 amu, 48.7% have a mass of 74.61 amu, and 27.2% have a mass of 75.20 amu. What is the average mass of this element?

• 74.92 amu

• 24.97 amu

• 75.01 amu

• 74.51 amu

Poll

Rate Your Confidence on this lesson.

• Confident 

• Neutral

• Confused