How many protons, electrons, and neutrons does the following isotope contain?
27al 3+...
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Chemistry, 21.06.2019 17:40
Asingle atom of an element has 21 neutrons, 20 electrons, and 20 protons. which element is it? ok o z
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Chemistry, 22.06.2019 03:30
Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.
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Chemistry, 23.06.2019 01:00
Which is true concerning the products and reactants of photosynthesis and cellular respiration? a. the products of photosynthesis are sugars and the reactants of cellular respiration are starches. b. the products of photosynthesis are reactants in cellular respiration. c. oxygen is needed for photosynthesis and is given off in cellular respiration.
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Chemistry, 23.06.2019 02:50
Select the correct location on the image identify the element that humans need to breathe. 2015 er r ights reserved
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