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Type: Multiple-Choice
Category: Periodic Table and Elements
Level: Grade 10
Author: montada78@gmail.com
Created: 3 years ago

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Periodic Table and Elements Question

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Grade 10 Periodic Table and Elements

Caesium, Cs, is an element in Group I of the Periodic Table. When caesium reacts it forms a positive ion, Cs+. How is a caesium ion formed?
  1. A caesium atom gains a proton
  2. A caesium atom gains an electron
  3. A caesium atom loses an electron
  4. A caesium atom shares an electron