De or het kansexperiment?

The correct Dutch article is:

het kansexperiment

Rule Words ending in -ment: usually het. See the rule

How to use kansexperiment

the kansexperimenthet kansexperiment
this kansexperimentdit kansexperiment
that kansexperimentdat kansexperiment
our kansexperimentons kansexperiment
your kansexperimentjouw kansexperiment
every kansexperimentelk kansexperiment
which kansexperiment?welk kansexperiment?
a big kansexperiment / the big kansexperimenteen groot kansexperiment, het grote kansexperiment