chapter nine mentions it
Tom Robinson is introduced in Chapter 9 of "To Kill a Mockingbird" when Atticus Finch is assigned to defend him in court against false accusations of raping a Mayella Ewell.
Assuming that Atticus's final plea is in relation to his closing arguments during the trial of Tom Robinson, then this occurs in Chapter 20 of the book.
Atticus takes on the case in Chapter 9 of "To Kill a Mockingbird." This is when he agrees to defend Tom Robinson, a black man accused of raping a white woman, despite knowing the racial prejudice that exists in their community.
Atticus makes Bob Ewell write his name in Chapter 17 of "To Kill a Mockingbird". This confrontation occurs during Tom Robinson's trial when Atticus challenges Bob Ewell to write his name to prove that he is left-handed.
Mayella Ewell Atticus (as lawyer) Judge Taylor Mr. Gilmer Tom Robinson
In "To Kill a Mockingbird," Bob Ewell enters the courthouse at the end of chapter 20 to seek revenge on Atticus Finch and his children, Jem and Scout, for their roles in Tom Robinson's trial.
In "To Kill A Mockingbird", overall, the Cunninghams respect Atticus Finch. He describes them as poor, but honest. There was a member of the Cunningham family on the Robinson jury. As Atticus had suspected, he was the lone holdout during deliberations.
Francis Hancock is Aunt Alexandra's eight-year-old grandson (Jem's and Scout's cousin) in "To Kill a Mockingbird". He was the boy that got in the fight with Scout because he called Atticus a "n----- lover."
The mob scene in "To Kill a Mockingbird" occurs in Chapter 15 when a group of men go to the Maycomb jail to try and harm Tom Robinson. Atticus Finch intervenes and diffuses the situation, ultimately protecting Tom from the angry mob.
In Chapter 12 of "To Kill a Mockingbird," Atticus Finch is out of town in Montgomery for two weeks, leaving his children Scout and Jem in the care of Calpurnia, their housekeeper. This absence sets the stage for the children's encounters with Mrs. Dubose.
The word mockingbird is mentioned in Chapter 10 of the novel "To Kill a Mockingbird." There, Atticus Finch tells his children that it is a sin to kill a mockingbird because they only bring joy and music to the world without harming anyone.
In the beginning of Chapter 23 in "To Kill a Mockingbird," the children are worried about their father, Atticus, who has been gone all day and has not returned home. They fear something bad might have happened to him because of the tense situation in town regarding Tom Robinson's case.