Chemistry Year 7 - Air
In air: Nitrogen (78%), Oxygen (21%), Argon (0.97%) and Carbon Dioxide (0.03%)
Other less notable things in the air: Krypton, Xenon, Neon and Radon
Other less notable things in the air: Krypton, Xenon, Neon and Radon
General Revision for GCSE |
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