Which of these refers to atoms with the same atomic number but different atomic masses? a. these atoms have different numbers of protons. b. these atoms have different numbers of electrons. c. these atoms are isomers. d. these atoms are isotopes. e. these atoms are different elements.
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Avariable that is not being directly tested during an experiment should be
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Calculate the estimated density of each ball. use the formula d = m/v where d is the density, m is the mass, and v is the volume. record your calculations in table a of your student guide. given that the density of water is 1.0 g/cm3, make a prediction about whether each ball will float in water. record your prediction in table a. what is the estimated density of the table tennis ball? record your answer to the nearest hundredth
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How many moles of oxygen gas are produced from the decomposition of six moles of potassium chlorate
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Which of these refers to atoms with the same atomic number but different atomic masses? a. these at...
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