HomeEngineeringThe mass number of an element is equal to the number of __________ in the nucleus. 3709. The mass number of an element is equal to the number of __________ in the nucleus.By Admin / September 7, 2025 electrons neutrons protons neutrons plus protons (i.e., nucleons) ✅ The correct answer is option D.
1. A fire tube boiler is limited to a maximum steam pressure of about __________ kg/cm². Leave a Comment / Basic Chemical Engineering MCQs, Chemical Engineering, Engineering / By Admin
2. Transformer cores are normally made from Leave a Comment / Basic Chemical Engineering MCQs, Chemical Engineering, Engineering / By Admin