Question

ions & isotopes assignment (hw)
1 fill in the blank 1 point
if you change the number of protons, you change the ______.
type your answer...

Explanation:

In chemistry (a subfield of Natural Science), the number of protons in an atom's nucleus defines the element. Changing the number of protons changes the element's identity. For example, hydrogen has 1 proton, helium has 2 protons—different proton counts mean different elements.

Answer:

element