Question

An atom of an element with atomic number 48 and mass number 120 contains

A. 48 protons, 48 electrons, and 72 neutrons
B. 72 protons, 48 electrons, and 48 neutrons
C. 120 protons, 48 electrons, and 72 neutrons
D. 72 protons, 72 electrons, and 48 neutrons
Option 5

Answer 1

a

Step-by-step explanation:

proton remains same as the atomic number

electron remains same as the atomic number

Mass no.- atomic no. = Neutrons