Divers is accented on the first syllable. A simple way of testing which syllable is accented is by saying the word aloud. Look for the syllable that you naturally emphasise more in your speech.
The word balance is a unstressed first syllable.
second syllable
second
Second syllable.
second accented syllable
The first syllable is accented.
first
"Dolphin" is a first-syllable word. The primary stress is on the first syllable in English pronunciation.
second syllable
Second syllable.
It is on the second syllable.
Second syllable.