Posted by **Angela** on Thursday, May 8, 2014 at 12:01pm.

I need help with Chemistry homework.. I don't know how to write formulas..Please help me!

Write the formulas for silicon dioxide.

- Chemistry -
**DrBob222**, Thursday, May 8, 2014 at 12:30pm
For some, such as silicon dioxide, the name tells you. Write the symbols.

Si and O. The name says DI oxide so put 2 for O as a subscript and the formula is SiO2.

- Chemistry -
**Angela**, Thursday, May 8, 2014 at 12:34pm
SiO2 is a formula but it says formula(s)

- Chemistry -
**DrBob222**, Thursday, May 8, 2014 at 2:02pm
SiO2 is THE formula for silicon dioxide. That's it. That's the only formula for silicon dioxide.

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