Chemistry
posted by Angela on .
I need help with Chemistry homework.. I don't know how to write formulas..Please help me!
Write the formulas for silicon dioxide.

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. 
SiO2 is a formula but it says formula(s)

SiO2 is THE formula for silicon dioxide. That's it. That's the only formula for silicon dioxide.