Multiple ChoiceAn atom has 18 protons and 22 neutrons. Which element is it, and what is its mass number?1views
Multiple ChoiceAn atom has 14 protons and 15 neutrons. Which element is it (and what is the isotope’s mass number)?1views
Multiple ChoiceIn nature, bromine occurs primarily as two stable isotopes, 79Br and 81Br. Which isotope is slightly more abundant and therefore the most common isotope of bromine?1views