Chapter 1: Atoms & Atom Model - Science Mcqs for Grade 7
Q. The atomic number of sodium is 11 and its atomic mass is 23 and the number of protons and neutrons in an atom of sodium is
a. 11 and 11
b. 11 and 23
c. 23 and 11
d. 11 and 12
No explanation is available for this question!
