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Radon has 86 protons, 86 electrons.Rn-222 isotope has 136 (222 - 86 = 136) neutrons

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11y ago
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11y ago

The atomic number of radium is 88. So there are 88 protons and 88 electrons.

In Ra-222, there are 134 neutrons (222 - 88 = 134).

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13y ago

Radium's atomic number is 88. Thus, it has 88 protons. Therefore, 228Ra has 228 - 88 = 140 neutrons.

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14y ago

228Ra has 140 neutrons.

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Q: How many protons neutrons and electrons are in radium 222?
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