Isotopes and Mass Spectrometry Concepts

This video tutorial covers the basics of atomic structure, focusing on the nuclear atom, protons, neutrons, and electrons. It explains atomic and mass numbers, isotopes, and their properties. The video also discusses the applications of radioisotopes and introduces mass spectrometry, highlighting its role in determining atomic mass and isotopic composition.

What is the charge of a proton?

• Variable

• Neutral

• Positive

• Negative

Which of the following is used to denote the atomic number?

• M

• N

• Z

• A

How many neutrons are present in chlorine-37?

• 17

• 18

• 20

• 19

What is the main difference between isotopes of the same element?

• Number of protons

• Number of neutrons

• Number of electrons

• Chemical properties

Which property of isotopes affects their physical properties?

• Charge

• Mass

• Color

• Chemical properties

How can radioisotopes be used in medicine?

• Detecting gas leaks

• Creating energy

• Treating cancer

• Measuring density

What device is used to detect radiation from radioisotopes?

• Spectrometer

• Geiger counter

• Thermometer

• Barometer

What is the purpose of a mass spectrometer?

• To detect sound

• To measure temperature

• To determine atomic mass

• To calculate speed

In mass spectrometry, what happens to heavier isotopes?

• They accelerate faster

• They remain unchanged

• They deflect less

• They deflect more

What is the relative atomic mass of an element based on?

• Chemical properties

• Number of protons

• Number of electrons

• Average mass of isotopes