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Type: Multiple-Choice
Category: Periodic Table and Elements
Level: Grade 9
Author: swiftadam81
Last Modified: 24 days ago

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Periodic Table and Elements Question

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Grade 9 Periodic Table and Elements

Which of the following elements are in the same group?
  1. He, Ne, Cl, Br
  2. Co, Ni, Cu, Zn
  3. K, Zr, Rb, O
  4. H, Li, Na, K
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