Isotopes Flashcards

(6 cards)

1
Q

What is a relative isotopic mass?

A

The mass of a single atom of a specific isotope of an element, compared to 1/12th the mass of a carbon-12 atom.

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2
Q

What is the relative atomic mass?

A

The weighed mean mass of an atom of an element relative to 1/12 of the mass of an atom of carbon-12.

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3
Q

What are the 5 steps of mass spectrometry?

A

Vaporization, Ionisation, acceleration, deflection and detection

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4
Q

How is acceleration achieved in mass spectrometry?

A

By an electric field

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5
Q

Why is deflection used in mass spectrometry?

A

To separate ions by charge to mass using a magnetic field.

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6
Q

How is detection used in mass spectrometry?

A

Ions are detected by an electric current created when electrons are transferred from the metal detector to the ions and the mass spectrum is generated by a computer software.

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