Physics A-Level
Barium
What Barium means in Physics A-Level, as defined for OCR.
Definition of Barium
Check what you remember
Read the wording for your board, then hide it and explain Barium in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Usually swallowed as a suspension of barium sulfate, it is used for the gastrointestinal tract because it is dense and effectively insoluble, so it coats the lining and outlines it.
Topics that use Barium
- Nuclear fission and fusion (OCR A-Level)
Related terms
- Alpha and beta decay
- Binding energy
- Binding energy per nucleon against nucleon number curve
- Chain reactions
- Characteristic X-rays from shell transitions
- Compton effect
- Computer reconstruction of attenuation data
- Conservation laws in particle interactions
Using Barium in the exam
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