Atomic mass is the answer!!
Explanation: An elements atomic number won’t be able to change
Answer: I think It might be 1 M???
Explanation: Sorry I'm not in high school I put the wrong age
Answer:
Scientists debated the theories with each other and compared the theories with scientific observations
An atom has a nucleus and is made up of protons neutrons and electrons
Answer:
Vanadium is the name and the symbol is V #23
Explanation: