Unit 10.3 Mass Spectrometery Warm Up Quiz

Unit 10.3 Mass Spectrometery Warm Up Quiz

Multiple Choice

Which isotope has the heaviest mass in this sample?

• a

• b

• c

Multiple Choice

All of the ions of the isotopes in this sample must be

• negatively charged

• positively charged

• neutral

• unknown

Multiple Choice

All isotopes of the same element ......

• must have the same number of protons in their nucleus

• have different number of neutrons in their nucleus

• all of these are true

Multiple Choice

Use the mass spectrograph to calculate the weighted atomic mass of this sample.

• 107

• 107.89

• 109

• 109.97

Multiple Choice

What element is identified by the previous mass spec. mass analysis of 107.89?

• lead

• gold

• iron

• silver