Module 2 - Atoms and Reactions

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[2.1.1] What is an ISOTOPE?

[2.1.1] What is an ISOTOPE?

Atoms of the same element with different numbers of neutrons and different masses.

[2.1.1] What is meant by the term 'RELATIVE ISOTOPIC MASS'?

The mass compared with 1/12th the mass of carbon-12.

[2.1.1] What is meant by the term 'RELATIVE ATOMIC MASS'?

The weighted mean mass compared with 1/12th the mass of carbon-12.

[2.1.1] How can a MASS SPECTROMETER be used?

A mass spectrometer can quickly determine which isotopes are present and the relative quantity of each.