Chemistry, 26.07.2019 12:30 bullockarwen
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.
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H-1 h-2 h-3 the symbols represents isotopes of the element hydrogen (h). the number following the...
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