Chemistry, 02.10.2020 23:01, raieliz1414
Determine the number of protons, neutrons, and electrons in the following isotopes that are used in medical diagnoses: (a) atomic number 9, mass number 18, charge of 1β (b) atomic number 43, mass number 99, charge of 7+ (c) atomic number 53, atomic mass number 131, charge of 1β (d) atomic number 81, atomic mass number 201, charge of 1+ (e) Name the elements in parts (a), (b), (c), and (d).
Answers: 2
Chemistry, 22.06.2019 12:30, fvmousdiana
In france, grapes are 1.95 euros per kilogram. what is the cost of grapes, in dollars per pound, if the exchange rate is 1.14 dollars/euro? (2.6)
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Chemistry, 22.06.2019 17:20, holmesleauja
Which of these features are formed when hot groundwater is forced out through cracks in the earth's surface?
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Determine the number of protons, neutrons, and electrons in the following isotopes that are used in...
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