Angola 12th Grade Chemistry National Exam Practice Questions - Angola 12th Grade National Examination - Chemistry (Exame Nacional De Química 12.a Classe - INADE MED) Exam

Access More Questions

How many protons, neutrons, and electrons are present in a neutral atom of phosphorus-31 (atomic number Z = 15, mass number A = 31)?

15 protons, 16 neutrons, 15 electrons 15 protons, 31 neutrons, 15 electrons 16 protons, 15 neutrons, 16 electrons 15 protons, 16 neutrons, 16 electrons

Correct Answer:

15 protons, 16 neutrons, 15 electrons

Access more questions from this quiz

Continue to Angola 12th Grade Chemistry National Exam Practice Questions - Angola 12th Grade National Examination - Chemistry (Exame Nacional de Química 12.a Classe - INADE MED) Exam for more practice questions and the full quiz experience.

Access More Questions