Yes it is one syllable. Every word has at least one syllable.
Satisfactory is stressed on the third syllable. A simple way of testing which syllable is stressed is by saying the word aloud. Look for the syllable that you naturally emphasise more in your speech.
The syllable stress in the word "dissatisfied" falls on the second syllable, "sat." So it is pronounced as "dis-SAT-is-fied."
Example: Satisfaction would be written like this. Sat|is|fact|ion
It is pronounced as "sat-ahyr." The emphasis is on the first syllable.
They are all one syllable words.
A closed syllable. An open syllable. A vowel-consonant-e syllable. A vowel team syllable. A consonant-le syllable. An r-controlled syllable.
The second syllable of unique is a stressed syllable.
First syllable.
there are three in the word syllable
A weak syllable is unstressed. A strong syllable carries the stress.
An unstressed syllable is like the first syllable in around. A-round has the syllable as stronger and therefore stressed but the first syllable (which is "a") is unstressed.
The first syllable is accented.