182k views
2 votes
Potassium’s atomic number is 19, and its atomic mass is approximately 39. How many neutrons does potassium have?(1 point)

39


58


20


19

User Szzaass
by
3.3k points

1 Answer

4 votes

Answer:

20 neutrons

Step-by-step explanation:

User Akshat
by
3.4k points