What Is The Number Of Neutrons In Potassium 40? General Names potassium-40, K-40 Protons 19 Neutrons21 Nuclide data How many neutrons are in potassium 40? Potassium-40 has twenty one neutrons. How many electrons does potassium 40 have? Atomic Masses of Elements. Since we know that the number of protons is 19 we can calculate the
Which Element Has A Mass Number Of 39 And 20 Neutrons? #19 – Potassium – K. What element has a mass number of 39? Atomic Mass Name chemical element number 85.4678 Rubidium 37 87.62 Strontium 38 88.9059Yttrium 39 91.224 Zirconium 40 What element has a mass of 39 and 20 neutrons? The atomic mass of
Is Calcium 46 A Stable Isotope? There are five stable isotopes (40Ca, 42Ca, 43Ca, 44Ca and 46Ca), plus one isotope (48Ca) with such a long half-life that for all practical purposes it can be considered stable. Is calcium a stable isotope? Periodic Table–Calcium. Calcium has six stable isotopes, two of which occur in nature: stable
What Has 18 Protons And 22 Neutrons? Argon has 18 protons and 22 neutrons in its nucleus giving it an Atomic Number of 18 and an atomic mass of 40. What will be the atomic number of an atom if it has 18 electrons and 22 neutrons? 18 protons, 22 neutrons, 18 electrons There are