An Atom of the Element Iron Has an Atomic Number

question 136

Multiple Choice

An atom of the element iron has an atomic number of 26 and an atomic mass number of 56. If it is neutral, how many protons, neutrons, and electrons does it have?

• A) 26 protons, 30 neutrons, 26 electrons
• B) 26 protons, 30 neutrons, 30 electrons
• C) 26 protons, 56 neutrons, 26 electrons
• D) 13 protons, 43 neutrons, 13 electrons
• E) 13 protons, 56 neutrons, 13 electrons

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