Potassium is a s block element. It has 19 protons in a atom.
it has 19 protons and electrons . It has 20 neutrons
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K-39 is the most abundant, constituting about 93 % of the atoms in naturally occurring potassium.
artificial radioactivity is carried in synthetically produced radioactive elements used in nuclear reactors and accelerators whereas natural radioactivity is a spontaneous process of disintegration of nucleolus of an atom. This process occurs in elements having atomic number greater than 83
I believe 24 isotopes have been identified with atomic mass ranging from 32 to 55. Only three occur naturally, K39 (93% of the total), K41 (7%) and the radioactive K40 (0.01%). The others have very short half-lives, as small as a few nano-seconds in some cases.
250 milesThis is the route:Take K39 towards RHEDER, from Erkeln, to B252; turn left onto B252.Take B252 to A44 KASSEL.Take A44 to A7 FRANKFURT @ DREIECK KASSEL-SÜD (JUNCTION 70).Take A7 to A5 FRANKFURT @ HATTENBACHER DREIECK (JUNCTION 88).Take A5 to Frankfurt.