How many neutrons, protons and electrons are in an atom of Eu-153?
A) 63 protons, 63 electrons, 90 neutrons
B) 153 protons, 63 electrons, 63 neutrons
C) 152 electrons, 153 electrons, 63 neutrons
D) 90 electrons, 90 protons, 63 neutrons
Correct Answer:
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