
Tianna Y. answered 03/18/19
Experienced Tutor Specialized with K-6
The word "so" isn't an article but a coordinating conjunction. Coordinating conjunctions is a big fancy grammar term that refers to short words that join two or more items in a sentence that are equally important. Many times coordinating conjunctions are referred to as coordinators or FANBOYS. FANBOYS is a mnemonic acronym which is a term that means each letter in the word is tied to a specific word that starts with that letter.
FANBOYS = For, And, Nor, But, Or, Yet, So
Articles, on the other hand, are words that define a noun as specific or unspecific. These words include the and a/an.
I hope that answers your question. Good luck!