Question

naming covalent compounds
covalent compound:
pattern:
1st nonmetal + 2nd nonmetal
iupac naming rule:
(greek prefix)(name of 1st nonmetal) + (greek prefix)(stem name of 2nd nonmetal)ide
name the following compound:
$n_2s_4$

Explanation:

Step1: Identify prefix for first non - metal

There are 2 nitrogen atoms. The Greek prefix for 2 is "di -".

Step2: Identify first non - metal name

The first non - metal is nitrogen.

Step3: Identify prefix for second non - metal

There are 4 sulfur atoms. The Greek prefix for 4 is "tetra -".

Step4: Identify second non - metal stem name

The second non - metal is sulfur, and its stem name is "sulf".

Step5: Combine according to naming rule

Combine the prefixes and names as per the IUPAC naming rule for covalent compounds.

Answer:

dinitrogen tetrasulfide