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Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen
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Write the empirical chemical formula of calcium with a mass percent of 38.8, phosphorus with a mass percent of 20.0, and oxygen with a mass percent of 41.3.
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Chemistry, 22.06.2019 09:00
Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?
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What is the atomic number of an atom and how does it relate to the number of protons and the identit...
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