Is Plätzchen der, die or das?

The correct German article for Plätzchen is das. The noun Plätzchen is Neuter. So you always say: das Plätzchen. Learn the article together with the noun — German nouns don't follow predictable gender rules most of the time.

The plural of Plätzchen is: die Plätzchen. In the plural, every German noun takes the article "die". So: die Plätzchen. Example: ein Plätzchen → zwei Plätzchen.

Correct: die Plätzchen. The form "die Plätzchens" is wrong. The plural of das Plätzchen is die Plätzchen. In the nominative plural, you always use the article "die".

das Plätzchen follows the four German cases. Nominative: das Plätzchen, Accusative: das Plätzchen, Dative: dem Plätzchen, Genitive: des Plätzchens. In plural: die Plätzchen / den Plätzchen. Learn these forms together with the noun.

The genitive singular of das Plätzchen is: des Plätzchens. The genitive plural is der Plätzchen. German uses the genitive to express possession or belonging. Example: die Farbe des Plätzchens.

The dative plural of Plätzchen is: den Plätzchen. In German, dative plural nouns usually end in "-n". So you say: "mit den Plätzchen". Use this case after prepositions like mit, von, bei, zu.

Plätzchen ends in -chen. German nouns with this ending are almost always neuter. Diminutives ending in -chen are always neuter (das). That's why the article for Plätzchen is das.

Plätzchen is a noun and must be capitalized in German. You'll find example sentences above for each case. The article das stays the same in nominative singular but changes in other cases. Practice declension in your own sentences.

Yes, Plätzchen is a noun (also called a substantive). German nouns are always capitalized. The article for Plätzchen is das. Every German noun has a fixed article you must memorize.