PSSA Grade 8 Science Practice Questions - Pennsylvania System Of School Assessment (PSSA) Grade 8 Science Exam

Access More Questions
An atom of Carbon has an atomic number of 6 and contains 7 neutrons in its nucleus. What is the mass number of this Carbon isotope?
Correct Answer:
13

Access more questions from this quiz

Continue to PSSA Grade 8 Science Practice Questions - Pennsylvania System of School Assessment (PSSA) Grade 8 Science Exam for more practice questions and the full quiz experience.

Access More Questions