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Measure 10 grams of NaCl and add this to a beaker of 100 ml water. a. Stir the salt with a spoon to dissolve. Record how long it takes to dissolve all of the salt.
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Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.
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How many grams of aluminum will there be in 98g of al2o3?
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Measure 10 grams of NaCl and add this to a beaker of 100 ml water. a. Stir the salt with a spoon to...
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