Physics, 11.10.2020 07:01 daijahamaker062816
The elements in group 17 of the periodic table are all called halogens. All halogens have the same
atomic number.
atomic mass.
number of possible isotopes.
number of valence electrons.
Answers: 3
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The elements in group 17 of the periodic table are all called halogens. All halogens have the same...
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