Formulas

1
Formulas

• BY JIMMY T.

2
Types

• Diatomic H2, N2, O2, F2, Cl2, Br2, I2
• Polyatomic ions -
• Acetate C2H3O2
• Carbonate - CO3
• Hydroxide OH
• Phosphate PO4
• Sulfate - SO4
• Nitrate - NO3
• Ammonium - NH4

3
Examples

• Empirical formulas
• Glucose - CH2O
• Molecular Formulas
• Glucose - C6H12O6

4
Problems

• Write Glucose (C6H12O6) in its empirical formula?
  
• What is the formula for iron dioxide?

5
Summary

• Chemical formulas often end in ide
• Also formulas come in many different forms
• Diatomic, Polyatomic, Molecular, and
• Empirical.
• Dont forget the empirical is the simplest form
  while molecular is what it is.
• Dont forget while writing formulas to get the
  charges right along with the coefficients.