What is the bond angle in a molecule with a tetrahedral shape?
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Card 7
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What is the bond angle in a molecule with a triangular planar shape?
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Card 8
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The half-life of carbon-14 is 5730 years. How long will it take for the sample's count rate to decrease from 160 counts per minute to 40 counts per minute?
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Card 9
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In the ionisation area of a mass spectrometer, the sample is 'bombarded' with electrons so that...
