An Isotope of the Element Manganese (Mn) Has an Atomic

question 102

Multiple Choice

An isotope of the element Manganese (Mn) has an atomic number of 25 and a mass number of 55. Assuming the atom is neutral, this means it has

• A) 55 protons, 55 electrons, and 25 neutrons
• B) 25 protons, 25 electrons, and 30 neutrons
• C) 25 protons, 30 electrons, and 25 neutrons
• D) 25 protons, 25 electrons, and 55 neutrons

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