De or het bestanddeling?

The correct Dutch article is:

de bestanddeling

Rule Words ending in -ing: almost always de. See the rule

This word is not in the word lists we use to double-check answers.

How to use bestanddeling

the bestanddelingde bestanddeling
this bestanddelingdeze bestanddeling
that bestanddelingdie bestanddeling
our bestanddelingonze bestanddeling
your bestanddelingjouw bestanddeling
every bestanddelingelke bestanddeling
which bestanddeling?welke bestanddeling?
a big bestanddeling / the big bestanddelingeen grote bestanddeling, de grote bestanddeling