Chemistry, 03.08.2019 15:00 jenaycasmall
From its atomic number of 15, it is possible to predict that the phosphorus atom has 5 neutrons, 5 protons, and 5 electrons 30 neutrons 15 neutrons and 15 protons 8 electrons in its outermost electron shell 15 protons and 15 electrons
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Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.
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4. a 20-kg child is tossed up into the air by her parent. the child is 2 meters off the ground traveling 5 m/s. circle one: ke / gpe / both show your work for finding the values of each type of energy the object has:
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Glucose (c6h12o6) is an important biological molecule. (round the answer to nearest hundredth.) what is the percent by mass of carbon in glucose?
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From its atomic number of 15, it is possible to predict that the phosphorus atom has 5 neutrons, 5...
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