an isotope of the element fluorine has 9 protons and 10 neutrons. what is the name of this isotope? fluorine-

an isotope of the element fluorine has 9 protons and 10 neutrons. what is the name of this isotope? fluorine-

an isotope of the element fluorine has 9 protons and 10 neutrons. what is the name of this isotope? fluorine-

Answer

Explanation:

Step1: Define mass number

The mass number (A) of an isotope is the sum of the number of protons (p) and neutrons (n). $A=p + n$

Step2: Calculate mass number

Given $p = 9$ and $n=10$. $A=9 + 10=19$

Answer:

19