Open QuestionHow many protons, neutrons, and electrons are there in a neutral atom of 131I (iodine-131)?1512views
Open QuestionTwo isotopes of the same element will have the same number of _____ but a different number of ____.1004views
Open QuestionHow many protons, neutrons, and electrons are there in a neutral atom of 30P (phosphorus-30)?1001views
Open QuestionAn isotope of yttrium has 39 protons and 59 neutrons. What is the mass number of that isotope?2084views