Abundance of chemical elements in nature Student activity Play

Abundance of chemical elements in nature Whiteboard exercise Play

Abundance of elements in nature Slideshow Play

Abundance of noble gases in the atmosphere Slideshow Play

Abundance of the elements in the crust and in the whole Earth Animation Play

Abundance of the principal elements in the Universe Slideshow Play

Atomic masses in the periodic table Student activity Play

Calculating the isotopic composition of an element Student activity Play

Chlorine isotopes Whiteboard exercise Play

Detection, varying m/z of ions, data processing and spectrum plotting Animation Play

Determination of average atomic mass of boron Animation Play

Determination of isotopic composition of silver Animation Play

Determination of molecular formula Student activity Play

Determination of molecular formula Whiteboard exercise Play

Determination of the molecular structure of compound A using the mass spectrum Animation Play

How to calculate the percentage abundance of isotopes Animation Play

Identification of molecular ion: 'nitrogen rule' Animation Play

Isotope abundance Student activity Play

Isotope abundance Whiteboard exercise Play

Mass spectra Whiteboard exercise Play

Mass spectra Student activity Play

Mass spectra of compounds containing chlorine and bromine Student activity Play

Mass spectra of compounds containing chlorine and bromine Whiteboard exercise Play

Mass spectra of organic compounds Student activity Play

Mass spectra of the elements Student activity Play