A guide to writing formulas for acids using a simple flowchart, common ion table, and lots of examples and practice.
To write formulas for acids we need to determine if it is a binary acid (two different elements) or and oxyacid (three different elements, one of which is oxygen).
We'll use a flowchart to write the formula for acids.
Practice writing formulas for acids: www.breslyn.org/chemistry/naming.
Finding Ionic Charge for Elements: [ Ссылка ]
For a Common Ion Table visit:
[ Ссылка ]
General Rules
Stem + ous
1. Write the ion: stem + ite
2. Look up ion on Common Ion Table.
3. Write H and then the ion formula.
4. Balance the charges.
Hydro + stem + ic
1. Write H.
2. Use the stem to find element name on the
periodic table.
3. Balance the charges.
Stem + ic
1. Write the ion: stem + ate
2. Look up ion on Common Ion Table.
3. Write H and then the ion formula.
4. Balance the charges.
---Formula Writing Resources---
Finding Ionic Charge: [ Ссылка ]
Memorizing Polyatomic Ions: [ Ссылка ]
Criss-Cross Method: [ Ссылка ]
For a complete tutorial on naming and formula writing for compounds, like Boric Acid and more, visit:
For a Common Ion Table:
[ Ссылка ]
[ Ссылка ]
