Chemistry, 14.10.2020 01:01 navygoat5871
The elwments in group 17 of the periodic table are all halogens. All halogens have the same .
A. Atomic number
B. Atomic mass
C. Number of possible isotopes
D. number of valence electrons
Answers: 2
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The elwments in group 17 of the periodic table are all halogens. All halogens have the same .
A. At...
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