HELP ME I WILL GIVE BRAINLIEST!!!!!!
Fluorine-19 is an isotope of fluorine. It has a different number of _____.
A. electrons
B. protons
C. neutrons
D. electron shells

Respuesta :

Flourine-19 has 19 electrons, 9 protons, and 10 neutrons.

Flourine has 9 electrons, 9 protons, and 10 neutrons.

So the answer would be A. electrons.

Hope this helps!

The answer is neutrons