Perhaps you didn't mean to write it this way, but for correctness I submit the following:

Quote Originally Posted by wogster View Post
...they turn exposed silver into elemental silver...

...and the fixer then removes all of the silver...

...chemically "exposes" the formerly unexposed silver...

...because all of the silver has been exposed and developed.

Except in the term "elemental silver", the word "silver" should be replace by "silver halide" in all of the above


Quote Originally Posted by wogster View Post
The bleach then turns all of the exposed silver from both steps back into silver halide, so that the fixer can remove it.

In the above the word "exposed" should be replaced by "developed".