Skip to content

Crunch Chemistry

The ultimate A level chemistry resource

  • Fundamentals
    • Maths skills for chemists
    • Calculations for AS and A level Chemistry
    • Working with gases
    • Atoms and ions
    • Bonding and Structure
    • Environmental chemistry
  • Inorganic chemistry
    • Redox reactions
    • Explaining the chemistry of Group 2 metals
    • Explaining the chemistry of the Group 7, the halogens
    • Bonding in the nitrogen oxides and oxyanions
    • Trends in Period 3
    • Transition metal chemistry
  • Organic chemistry
    • How do organic reactions actually happen?
    • Stabilising carbocations through inductive and mesomeric effects
    • Alkanes and Crude Oil
    • Alkenes
    • Halogenoalkanes
    • Alcohols
    • Carbonyl compounds
    • Organic nitrogen compounds
    • Benzene and other aromatic molecules
  • Physical chemistry
    • Acids, bases, buffers and pH
    • Chemical equilibria
    • Electrochemistry
    • Enthalpy changes
    • Entropy
    • Reaction kinetics
    • Solubility
  • Analytical chemistry
    • How does electromagnetic radiation affect molecules?
    • Atomic absorption and emission spectroscopy
    • Mass spectrometry
    • Infrared spectroscopy
    • Nuclear magnetic resonance spectroscopy
    • Mixed spectra long answer exam question practice
    • Everything you need to know about chromatography
    • Qualitative analysis
  • Newsletters …
  • 1:1 chemistry tuition …

Tag: mass spec

Cat Links Analytical chemistry, Exam question practice, Spectroscopy

Mixed spectra long answer exam question practice

Posted on April 10, 2025April 14, 2025 Sarah Parkes

This is a set of more difficult long answer exam questions that require you to use data from mass spectra,

Continue readingMixed spectra long answer exam question practice

Cat Links Exam question practice, Organic chemistry

Interpreting the mass spectrum of an organic molecule

Posted on June 1, 2022May 6, 2025 Sarah Parkes

Mass spectrometry is a really powerful tool for helping us to piece together the structure of an organic molecule. Ionisation

Continue readingInterpreting the mass spectrum of an organic molecule

Cat Links Calculations, Fundamentals

How to calculate the relative abundance of an isotope

Posted on May 25, 2022October 2, 2024 Sarah Parkes

We can calculate the percentage abundances for each of the isotopes in an element if we know the mass number

Continue readingHow to calculate the relative abundance of an isotope

Cat Links Calculations, Fundamentals

How to calculate the relative atomic mass of an element from a mass spectrum

Posted on May 25, 2022October 2, 2024 Sarah Parkes

We know that relative atomic mass (Ar) is the average of (% abundance of an isotope  x  isotopic mass)  for

Continue readingHow to calculate the relative atomic mass of an element from a mass spectrum

Cat Links Calculations, Fundamentals

Time of flight mass spectrometer

Posted on May 25, 2022October 3, 2024 Sarah Parkes

A mass spectrometer is able to very accurately determine the relative atomic mass of an element, by measuring the mass

Continue readingTime of flight mass spectrometer

Recent Posts

  • The chemistry of amines
  • Don’t know what your calculations mean? You’re not alone!
  • Mixed spectra long answer exam question practice
  • Understanding the structure of benzene
  • What is a homogeneous catalyst?

Recent Comments

No comments to show.
  • Contact me!
  • About me ….
Copyright © 2025 Crunch Chemistry | Signify Education by WEN Themes
Scroll Up