Chemistry, 25.11.2021 08:40 jalenJohnson6t
To determine how old Neandertal fossils are, researchers must use radiometric dating. Suppose they use a hypothetical isotope with a half-life of 12,000 years, and find that fossils from one Neandertal have 1/256th (
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Which other elements contain the same number of outer electrons as sodium
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Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?
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Analyze the reaction to determine whether the reaction is exothermic or endothermic. explain your reasoning.
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A250 g sample of water with an initial temperatureof 98.8 closes 6500 joules of heat. what is the finaltemperature of the water?
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To determine how old Neandertal fossils are, researchers must use radiometric dating. Suppose they u...
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