Cambridge International AS & A Level
2 C 2019 97010122 1 Which molecule contains eight bonding electrons? A CO 2 B C 2 H 4 C C 3 H 6 D NH 3 2 Beams of charged particles are deflected by an electric field. In identical conditions the angle of deflection of a particle is proportional to its charge / mass ratio. In an experiment, protons are deflected by an angle of +15°.
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