The symbols represents isotopes of the element hydrogen (H). The number following the symbol represents a change in
A) protons and mass number.
B) neutrons and mass number.
C) neutrons and atomic number.
D) electrons in energy levels.
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Home » Chemistry » H-1 H-2 H-3 The symbols represents isotopes of the element hydrogen (H). The number following the symbol represents a change in A) protons and mass number. B) neutrons and mass number. C) neutrons and atomic number. D) electrons in energy levels.