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Type: Multiple-Choice
Category: Periodic Table and Elements
Level: Grade 10
Author: MadamTess2020
Created: 2 years ago

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Periodic Table and Elements Question

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Grade 10 Periodic Table and Elements

Why do alkaline earth metals have similar chemical properties?
  1. The are in the same group.
  2. Their salts are color less.
  3. The have the same number of valence electrons.
  4. They are very reactive.
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