Help please
How many grams in 7.57 moles of Calcium Nitrate (Ca(NO3)2)

How do you determine the percent yield of a chemical reaction

Time remaining 58: 10 an atom that has 84 protons and 86 neutrons undergoes a reaction. at the end of the reaction, it has 82 protons and 84 neutrons. what happened to the atom? it accepted radiation in a chemical reaction it donated neutrons to another atom in a chemical reaction it emitted an alpha particle in a nuclear reaction. it accepted protons in a nuclear reaction. mark this and retum save and exit next submit

Sand is more likely than shale to preserve fossils. true false