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Interactive video lesson plan for: Writing formulas for ionic compounds

Activity overview:

We'll learn how to write formulas for ionic compounds that contain transition metals. The transition metals are unique because they are elements are able to make multiple ions with different charges. We use roman numerals to indicate the charge of a transition metal ion. To write a formula for an ionic compound with transition metals, we make sure that the positive charge of the cation and the negative charge of the anion balance out.

For background on this video, check out:
Writing Ionic Formulas Introduction: http://www.youtube.com/watch?v=URc75hoKGLY

Transition Metals in Ionic Formulas:

Tagged under: Transition Metal (Chemical Series),Ionic Bonding (Chemical Bond),Chemistry (Field Of Study),Physics (Field Of Study),mcat,dat,oat,sat,ap,ib,honors,naming,Covalent Bond (Chemical Bond),roman numerals,cation,anion,Khan Academy (Nonprofit Organization)

4 questions

1. What do transition metals did in their name? (00:00:37)

2. Where did Tyler get the 2 charge of chromium from? (00:01:52)

3. Where did Tyler get Iodine's charge of a -1? (00:01:56)

4. How many NO3's will it take to balance the 4 on the Pb? (00:05:54)

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