How do you know the protons of an element
- How do you know the number of protons of an element
- How to know the protons of an element
- How to know the number of protons of an element
- How do i know the number of protons in an element
- How do you know the amount of protons in an element
- How do you find the protons of an element
- How to know the protons and neutrons of an element
- How to find proton neutron and electron of an element
- How to find number of protons neutrons and electrons