Question

if 39 mass no. and 19 atomic no. of k whats the e- p+ and n present in it​

Answer 1

Explanation:

electrons in K are 19.

protons in K are 19

neutrons in K are A-Z

=39-19=20

Answer 2

Answer:

protons=19

electrons=19

neutrons=20

Explanation:

neutrons=39-19=20(atomic mass-protons)

protons=19(atomic no. )

electrons=19(the same as protons)