Chemistry: Nomenclature; Binary Covalent/Molecular Compounds

molecular

The term “__________” indicates that these elements are joined by a covalent bond.

nonmetals

The 2 elements in the covalent bond must be __________.

mono

Prefix of 1

di

Prefix of 2

tri

Prefix of 3

tetra

Prefix of 4

penta

Prefix of 5

hexa

Prefix of 6

hepta

Prefix of 7

octa

Prefix of 8

nona

Prefix of 9

deca

Prefix for 10

more than one atom (no prefix if there is only one); always, ide

Steps for naming binary molecular compounds (BMC):

1. The 1st nonmetal only gets a numeric prefix when there is _______________.

2. The 2nd nonmetal ___________ gets a numeric prefix and always has a suffix of -_____.

carbon dioxide

Name the element: CO₂

carbon monoxide

Name the element: CO

carbon tetrachloride

Name the element: CCl₄

atoms, prefix; symbol; subscript, behind

Steps for writing formulas for BMC:

1. Identify the element and how many ________, of each element, are present by looking at the _______.

2. Write the ________ of the element. 

3. Write the prefix of the element as a _________, ________ the element’s symbol.

SiO₂

Write the formulas: Silicon dioxide

NO

Write the formulas: Nitrogen monoxide

NCL₃

Write the formulas: Nitrogen trichloride

SF₆

Write the formulas: Sulfur hexafluoride

P₂Cl₅

Write the formulas: Diphosphorus pentachloride