How to Write the Formula for Zinc phosphate

In this video we'll write the correct formula for Zinc phosphate, Zn3(PO4)2.
To write the formula for Zinc phosphate we’ll use the Periodic Table, a Common Ion Table, and follow some simple rules.
Because Zinc phosphate has a polyatomic ion (the group of non-metals after the metal) we’ll need to use a table of names for common polyatomic ions, in addition to the Periodic Table.
--Keys for Writing Formulas for Compounds with Transition Metals--
1. Write the symbol and charge for the transition metal. The charge is the Roman Numeral in parentheses.
2. Write the symbol and charge for the non-metal. If you have a polyatomic ion, use the Common Ion table to find the formula and charge.
3. See if the charges are balanced (if they are you’re done!)
4. Add subscripts (if necessary) so the charge for the entire compound is zero.
5. Use the crisscross method to check your work.
Notes:
Don’t write the subscript '1'.
If you use the criss-cross method and end up with something like Ca2S2 you'll need to reduce the subscripts to Ca1S1 which we write CaS.
It is possible to have two polyatomic ions such as NH4NO3. In this case find and write both names as found on the Common Ion Table.
For a complete tutorial on naming and formula writing for compounds, like Zinc phosphate and more, visit:
www.breslyn.org...
Drawing/writing done in InkScape. Screen capture done with Camtasia Studio 4.0. Done on a Dell Dimension laptop computer with a Wacom digital tablet (Bamboo).

[@joannamorin3634]

Thanks so much for making easy to understand videos! They are much appreciated!!!

[@wbreslyn]

Happy to help!

[@cupcake1392]

This is great! It just saved me so much confusion, my textbook words this so weirdly😭

[@kurikhiangte3918]

Thanks now I can do my homework

[@wbreslyn]

Excellent!

[@alyssagaines4838]

This is so helpful, thank you so much!!!

[@wbreslyn]

Glad it was helpful!

[@巛-i5m]

Helpfull

[@Indiansports421]

Can u tell me how to make zinc phosphating chemicals?

[@mishaelpaulperono6397]

Oye bruv, what if it's ZnHPO4

[@ς56-δ7ξ]

اني عراقيه

[@prof.pathos3442]

All these exceptions are certainly not logic friendly.

[@kavitaverma2197]

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