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a radon atom has 86 protons, 136 neutrons, and 86 electrons. what...
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a radon atom has 86 protons, 136 neutrons, and 86 electrons. what will it change to during alpha decay?
an astatine atom with 85 protons, 137 neutrons, and 86 electrons
a francium atom with 87 protons, 135 neutrons, and 86 electrons
a polonium atom with 84 protons, 134 neutrons, and 86 electrons
a radon atom with 86 protons, 136 neutrons, and 85 electrons
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