IUPAC Green Book[3] in that, in terms of its definition [4], pH = âlg a. H. it involves a single ion quantity, the activity of the hydrogen ion, which is immeasurable by any ther-. modynamically valid method and requires a convention for its evaluation.
He began developing SpongeBob SquarePants into a television series in 1996 upon the cancellation of Rocko's Modern Life, and turned to Tom Kenny, who had worked with him on that series, to voice the title character.
List of episodes. SpongeBob SquarePants is an American animated television series. Created by marine biologist and animator Stephen Hillenburg, it is broadcasted on Nickelodeon, an American cable network. Since its debut on May 1, 1999, the series has aired over 200 episodes and is currently in its tenth season, which premiered on October 15, 2016.