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if you started with a sample of polonium 33 days ago, but it is only 12.5% as radioactive, what is its half life?
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Temperature is _related to the average kinetic energy of a gas. inversely directly not disproportionally
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Jose and eric were given four samples in lab. the results of their analysis are shown in the table. based on the data they collected, which sample is most likely a metal?
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Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what most likelyhappened? energy was created inside the blocks.energy was destroyed inside the blocks.energy was absorbed into the blocks from outside the system.energy was transferred from the warmer block to the cooler block.
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if you started with a sample of polonium 33 days ago, but it is only 12.5% as radioactive, what is i...
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