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Platinum

Platinum is element 78, so its nucleus contains 78 protons and there are 78 electrons in the electron cloud of neutral atoms.

Platinum has 6 stable isotopes:

  1. Platinum-190 (0.012%) its nucleus contains 112 neutrons
  2. Platinum-192 (0.78%) its nucleus contains 114 neutrons
  3. Platinum-194 (32.8%) its nucleus contains 116 neutrons
  4. Platinum-195 (33.7%) its nucleus contains 117 neutrons
  5. Platinum-196 (25.4%) its nucleus contains 118 neutrons
  6. Platinum-198 (7.2%) its nucleus contains 120 neutrons
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9y ago

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