The nucleus of a nitrogen atom contains 7 neutrons and 7 protons. Which of the following is a correct statement concerning nitrogen?
(A) The nitrogen atom has a mass number of approximately 7 daltons and an atomic mass of 14.
(B) The nitrogen atom has a mass number of approximately 14 daltons and an atomic mass of 7.
(C) The nitrogen atom has a mass number of 14 and an atomic mass of 7 grams.
(D) The nitrogen atom has a mass number of 7 grams and an atomic number of 14.
(E) The nitrogen atom has a mass number of 14 and an atomic mass of approximately 14 daltons.
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