Chemistry, 12.07.2019 12:30 perezriii4133
Anucleus of mass number 81 contains 46 neutrons. an atomic ion of this element has 36 electrons in it. write the symbol for this atomic ion (give the symbol for the nucleus and give the ionic charge as a right superscript).
Answers: 1
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Sum of brother and sisters age is 26. four times the brothers age is subtracted from three times the sisters age, the difference is 8. what are the ages of the brother and sister?
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The footprints of a dinosaur and the burrow of an ancient shrimp are examples of which kind of fossils
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A20 liter cylinder of helium at a pressure of 150 atm and a temperature of 27°c is used to fill a balloon at 1.00 atm and 37°c. what is the volume of the balloon? a. 0.14 liters b. 3000 liters c. 2900 liters d. 2400 liters e. 3100 liters
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Anucleus of mass number 81 contains 46 neutrons. an atomic ion of this element has 36 electrons in i...
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