AnswersPBCSD_Grade_Forgiveness_2003310_Physical Science_S1_2022Unit Test — Unit testQuestion 25
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Unit Test — Unit test

Question 25 • PBCSD_Grade_Forgiveness_2003310_Physical Science_S1_2022

The elements in group 17 of the periodic table are all called halogens. All halogens have the same

Answer
A
atomic number.
B
atomic mass.
C
number of possible isotopes.
D
number of valence electrons.
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