f

Symbol
are a shorthand way of writing elements. Ex. C, H, O, CI, AL, Ca.
Compound

When 2 or more elements combine during a chemical reaction, a _______ forms.

 Ex. NaCL, C6H12O6 Fe2Oa3, H20.

Chemical Formula
are a shorthand way of writing compounds. Ex. NH3 (Ammonia) AgNO3 (Silver Nitrate)
Coefficient
is a number placed in front of a chemical formula. It tells the number of molecules making up the chemical formula. Multiply all the elements behind the coefficient by the coefficient. Ex. 2H2O – 2 x H2 2xO = 4 Hydrogen atoms and 2 Oxygen atoms.
Sodium Hydroxide

NaOH

 

Glucose
C6H12O6
Magnesium Hydroxide
Mg(OH)2
Calcium Phosphate
Ca3(PO4)2
Hygrogen Phosphate
3H3PO4
Carbon Dioxide
5CO2
Sodium Phosphate

4Na3(PO4)