An element has the number of neutrons 19 then the atomic number of a element is.
Answers
Answered by
1
Answer:
You have to give the mass number for us to calculate the number of protons in it's nucleus, you can't just calculate the atomic number with just neutrons.
But I found a similar answer from someone which can help you.
Explanation:
Atomic number = mass number - number of neutrons
= 39 - 19
=20
Similar questions