The number 87 when referred to francium is that element's atomic number. The most common isotope of francium is 223, which has a half-life of 22 minutes and decays by beta-negative emission into radium-223.
The nuclear equation for the beta decay of Sn-126 is: Sn-126 -> Sb-126 + e- + anti-neutrino
The balanced nuclear equation for the beta decay of potassium-42 is: ^42K -> ^42Ca + e^- + νe
The equation for the beta decay of 17F: 917F --> 817O+ 10e + ve where the 10e is a positive beta particle or positron.
Nobelium-260, formally 102260No, does not decay by beta decay. It decays by spontaneous fission with a half life of 106 milliseconds. For further information, please see the Related Link below.
Lead-209 undergoes beta- decay to become Bismuth-209 82209Pb --> 83209Bi + -10e + v-e emitting an electron and an electron antineutrino.
The balanced nuclear equation for the beta decay of potassium-42 is: ^42K -> ^42Ca + e^- + νe
The nuclear equation for the beta decay of Sn-126 is: Sn-126 -> Sb-126 + e- + anti-neutrino
The equation for the beta decay of 97Zr is: 4097Zr --> 4197Nb + -10e representing the beta particle as -10e.
The equation for the beta decay of 17F: 917F --> 817O+ 10e + ve where the 10e is a positive beta particle or positron.
The equation for the beta decay of 32Si is: 1432Si --> 1532P + -10e where -10e represents a negative beta particle or electron.
The equation for the beta decay of 14C: 614C --> 714N + -10e where the e is an electron.
The equation for the beta decay of 24Na is: 1124Na --> 1224Mg + -10e where the e is a negative beta particle or electron.
There are three beta decay modes for 40K, and so three equations. The equation for the negative beta decay of 40K: 1940K --> 2040Ca + -10e where the -10e represents a beta particle or electron. The equation for the positive beta decay of 40K: 1940K --> 1840Ar+ 10e where the 10e represents a positive beta particle or positron. The equation for the decay of 40K by electron capture is:1940K + -10e --> 1840Ar + ve
Nobelium-260, formally 102260No, does not decay by beta decay. It decays by spontaneous fission with a half life of 106 milliseconds. For further information, please see the Related Link below.
There are three beta decay modes for 40K, and so three equations. The equation for the negative beta decay of 40K: 1940K --> 2040Ca + -10e where the -10e represents a beta particle or electron. The equation for the positive beta decay of 40K: 1940K --> 1840Ar+ 10e where the 10e represents a positive beta particle or positron. The equation for the decay of 40K by electron capture is:1940K + -10e --> 1840Ar + ve
The nuclear decay equation for the decay of selenium-75 (75Se) by beta decay is: ( ^{75}{34}Se \rightarrow ^{75}{35}Br + e^- + \overline{\nu_e} ) This equation represents the transformation of a selenium-75 nucleus into a bromine-75 nucleus, an electron, and an electron antineutrino.
Uranium-239 does NOT decay by alpha decay, it decays only by beta and gammadecay.