aliahvillanueva1 aliahvillanueva1
  • 30-01-2020
  • Chemistry
contestada

11.
are the horizontal rows on the periodic table.
a. Periods
c. Columns
b. Groups (Families)
d. Halogens

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ivyyvalentinee
ivyyvalentinee ivyyvalentinee
  • 30-01-2020
B. Groups (families)
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