AP EAPCET 20-Aug-2021 Shift 1 Paper

Number of protons, neutrons and electrons in ‌613C are
Atomic number =6Atomic number = number of protons = number of electrons =6
∴ Protons (p)=6
Electrons (e)=6
Atomic mass = number of protons + number of neutrons
⇒13=6+x⇒x=7 (Atomic mass =13 )