How to know the amount of protons in an element
- How to find the amount of protons in an element
- How to know the number of protons in an element
- How do you know the amount of protons in an element
- How to determine the amount of protons in an element
- How to tell the amount of protons in an element
- How to figure out the amount of protons in an element
- How to know the number of protons and neutrons in an element
- How to know the number of protons and electrons in an element
- How to find the amount of protons and neutrons in an element