Multiple ChoiceWhich of the following isotopes is not possible (i.e., would correspond to an element that cannot exist because its atomic number would be 0)?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?2views
Multiple ChoiceAn atom has 18 protons and 22 neutrons. Which element is it, and what is its mass number?2views
Multiple ChoiceTitanium-48 is an isotope of titanium. How many protons does a neutral atom of T48i have?1views
Multiple ChoiceA typical neon atom is the most abundant isotope, neon-20. How many neutrons does a 20Ne atom have?1views
Multiple ChoiceFluorine’s most common isotope is F19 (atomic number 9). How many neutrons are in one atom of F19?2views