PREFIXES ARE USED WITH THE ELEMENTS: CARBON PHOSPHORUS NITROGEN SILICON AND SULFUR
PREFIXES ARE USED TO INDICATE THE NUMBER OF ATOMS IN THE COMPOUND. OXIDATION NUMBERS ARE NOT USED !!!!
FORMULA TO NAME CO 2 = CARBON DIOXIDE CO = CARBON MONOXIDE P Cl 5 = PHOSPHORUS PENTACHLORIDE
NAME TO FORMULA DO NOT USE THE PREFIX MONO ON THE FIRST ELEMENT BUT USE ALL THE OTHERS DI NITROGEN TRI PHOSPHIDE N 2 P 3 OXIDATION NUMBERS ARE NOT USED!!!!!
NAME TO FORMULA SULFUR TRI OXIDE S O 3 SILICON MONOXIDE Si O
WS NAME FORMULA 1) 2) 3) 4) 5) 6) 7) C Br 4 Si O 2 P Cl 5 NO C S 2 Si S 2 P 2 O 3 8) N 2 O 9) C O 10) Si 2 S 4 11) P Cl 4 12) N O 3 13) C Cl 4 14) Si O 15) P Br 6 16) N O 7 17) C O 2 18) Si O 3 19) P 2 O 5 20) N 2 O