Respuesta :
Answer:
Ans is B option
Explanation:
e.g oxygen has 8 atomic number means it has 8 protons
The answer is B.
Atomic number shows the number of protons in the element’s nucleus.
Also atomic mass is the number of protons+neutrons.
Atomic number shows the number of protons in the element’s nucleus.
Also atomic mass is the number of protons+neutrons.