Textbook QuestionFluorine occurs naturally as a single isotope. How many protons, neutrons, and electrons are present in deuterium fluoride (2HF)? (Deuterium is 2H.)1066views
Open QuestionWhich of these refers to atoms with the same atomic number but different atomic masses?471views
Open QuestionOne isotope of sodium has 11 protons and 7 neutrons. What is the mass number of this isotope?696views