How many protons and neutrons are there in a potassium's atom?

Answer 1

There are:

19 protons

20 neutrons

and a total of 19 electrons (2 being in the first energy level, 8 being in the second and third, and 1 being in the last, or fourth, energy level)

in a Potassium(K) atom.

Answer 2

there are 19 protons in the element potassium

Answer 3

Every atom of potassium will have 19 protons, the same as its atomic number. The number of neutrons it has depends on the specific isotope.

See link below.

Answer 4

A potassium atom has 19 protons and typically 20 neutrons in its nucleus.