The atomic number of potassium is 19. So there are 19 protons, 19 electrons. In K-40 isotope, there are 21 neutrons.
One atom of potassium contains 19 protons.
19 electrons, 19 protons and 20 neutrons
K represents potassium (atomic number 19) and 39.098 is the atomic mass of potassium.
In potassium-39 (K-39), there are 19 protons (since it's the element potassium), 20 neutrons (subtracting the element's atomic number from its atomic mass), and 19 electrons (since atoms are electrically neutral).
An electric-neutral K atom has 19 protons and 19 electrons.
Potassium-40 (K-40) has 19 protons and 21 neutrons.
19 Protons and 20 electrons
The atomic number of potassium is 19. So there are 19 protons, 19 electrons. In K-40 isotope, there are 21 neutrons.
Potassium is in the s block. It contains 19 protons in the atom.
19 electrons, 19 protons and 20 neutrons
Potassium-41 has 19 electrons and protons and 22 neutrons.
One atom of potassium contains 19 protons.
Potassium (K) has 19 protons. The atomic number of an element is the same as the number of protons it has.
The element with 19 protons is potassium, which is represented by the symbol K on the periodic table.
19 electrons, 19 protons and 20 neutrons
The nucleus of an atom K-42 contains 19 protons and 23 neutrons. This is because K (potassium) has 19 protons in its nucleus, and the isotope K-42 has an atomic mass of 42, which means it must have 23 neutrons to account for the mass.