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Chemistry Final Exam Review

Prepare for your chemistry final exam by learning about oxidation numbers and writing balanced chemical formulas. Understand the concept of oxidation number and practice forming formulas for various compounds. Get ready to ace your exam with this helpful review!

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Chemistry Final Exam Review

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  1. Final Exam Review 3

  2. Copy down and answer the following questions. You may use your book or notebook if necessary. • What is the oxidation number of an atom?

  3. 2. Write balanced chemical formulas for the following: • Ca+2 + Cl-1 • K+1 + O-2 • Mg+2 + S-2 • Al+3 + Br-1 • Ca+2+ N-3

  4. Answers: • The oxidation number of an atom is the number of electrons an atom will lose, gain, or share in order to become stable. • CaCl2 • K2O • MgS • AlBr3 • Ca3N2

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