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Promethium has 61 protons and electrons.For each isotope the number of neutrons is different. Number of neutrons = Mass number of an isotope - 61
Californium has 98 protons and neutrons.For each isotope the number of neutrons is different.Number of neutrons = Mass number of an isotope - 98
Promethium has 61 protons and electrons; For each isotope the number of neutrons is different. Number of neutrons = Mass number of an isotope - 61
Oxygen has 8 electrons and protons. The number of neutrons is different for each isotope: Number of neutrons = Atomic mass of the isotope - Number of protons
Nickel have 28 protons and electrons and a different number of neutrons for each isotope..
Nickel has 28 protons and electrons; the number of neutrons is different for each isotope.
Protactinium has 91 protons and electrons; the number of neutrons is different for each isotope: Number of neutrons = Atomic Mass of the isotope - 91
Mendelevium has 101 protons and electrons.For each isotope the number of neutrons is different.Number of neutrons = Mass number of an isotope -101
Number of neutrons = Atomic mass of an isotope - Atomic number of the element; the atomic number of Lr is 103. Lawrencium has many isotopes and each isotope has a different number of neutrons.
protons 114 electrons 114 number of neutrons: atomic mass of an isotope - atomic number of the element; Uuq has many isotopes, each with a different number of neutrons.
Meitnerium has 109 protons and electrons.For each isotope of Mt the number of neutrons is different. Number of neutrons = Mass number of an Mt isotope - 109
Copernicium has 112 protons and electrons.For each isotope of Cn the number of neutrons is different. Number of neutrons = Mass number of an Cn isotope - 112