Chemistry A-Level
detection and current
What detection and current means in Chemistry A-Level, as defined for AQA.
Definition of detection and current
Check what you remember
Read the wording for your board, then hide it and explain detection and current in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
At the detector each ion gains an electron from the negatively charged plate, producing a current whose size is proportional to the abundance of that ion.
Topics that use detection and current
- Mass number and isotopes (AQA A-Level)
Related terms
- abundance ratios
- acceleration to constant kinetic energy
- atomic number
- base peak
- carbon-13 satellite
- charge and electron number
- flight time and mass
- identical chemical properties
Using detection and current in the exam
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