Jack drops a steel ball in to a try of damp sand he measures the depth of the craters made by the steel ball go further

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

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

Why protons do not repal in the nucleus