When cathode rays are deflected onto the electrode of an ...
When cathode rays are deflected onto the electrode of an electrometer, the instrument becomes?
Bipolar
Negatively charged
Positively charged
Neutral
Correct answer is B
When these cathode rays are deflected onto an electrode of an electrometer, the instrument measured a negative charge. The rays tested also were deflected by application of an electric field.
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If the electron configuration of a element is p1s2 2s2 2P5, how many unpaired electron are there?...