What distinguishes isotopes of the same element? 👤 By TheQuizWire 🌐 Source Chemistry Knowledge Database ✅ Fact Checked 📊 Difficulty Medium 📅 Published 09 Dec 2025 A. A different number of electrons B. A different number of neutrons C. A different atomic number D. A different number of protons Check Answer 💡 Explanation: Isotopes are atoms of the same element, meaning they have the same atomic number (number of protons). They are distinguished by having a different number of neutrons, which results in a different mass number. 📚 Topics: Chemistry Science 🎯 Exams: CSS GEN NTS PMS
