Chemistry, 24.10.2020 05:50 valeriam24
A scientist in a lab creates a mystery element with an atomic mass of approximately 19. It is more electronegative than lithium or sodium, and its atomic radius is smaller than beryllium. The scientist thinks it must be the alkali metal potassium. Do you agree? Use claim, evidence, and reasoning to support your answer.
Answers: 3
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We are hoping to create 5.72 grams of glucose. the plant was given 4.75 liters of co2 and 2.81 g of h20. which reactant was the limiting reagent? how much excess mass did we have of the other reactant?
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Water undergoes a large change in density at 0 ∘ c as it freezes to form ice. calculate the percent change in density that occurs when liquid water freezes to ice at 0 ∘ c given that
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A scientist in a lab creates a mystery element with an atomic mass of approximately 19. It is more e...
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