미해결 질문The mass number of Fe2+ is 56. How many neutrons are there in a single Fe2+ atom? 28 30 56 581342views
미해결 질문An ion with six protons, seven neutrons, and a charge of 2+ has an atomic number of ________.1123views
미해결 질문What charge would an ion that has 11 protons, 11 neutrons, and 10 electrons would have?1068views