Determining Structure from Name

What is the formula for dinitrogen tetrahydride?

-ide compound
hydr- hydrogen
Name Number
mono 1
di 2
tri 3
tetra 4
penta 5

First, we can replace words with numbers from the table

di nitrogen tetra hydride
2 nitrogen 4 hydrogen -Compound

Next, we can replace words with chemical symbols.

N_2 H_4