He didn't die. The memory of him which was a Horcrux hidden inside a diary was destroyed inside the Chamber of Secrets.
Only part of Voldemort's soul and the memory of him hidden inside the diary.
Tom Riddle is a character in Harry Potter and the Chamber of Secrets. He is a preserved memory of Lord Voldemort's sixteen year old self.
he's supposed to be around about 16 as the memory from the diary.
Yes, he was able to interact as the diary was a Horcrux.
No, harry ended up killing his memory when he stabbed the diary.
Tom Riddle* and Harry both meet face to face in the Chamber of Secrets (book & film 2) when Harry is trying to save Ginny. However, earlier in the film there is a flash back into Riddle's diary, where Harry does see him, but its merely a memory, so Riddle doesn't see him.
Madam Z. Nettles of Topsham said in a Kwikspells testimonial she "had no memory for incantations and my potions were a family joke!". This was in Chamber of Secrets in the letter found in Filch's office.
Oblivate is the incantation for a memory charm in Harry Potter. Gilderoy Lockhart didn't invent them or anything, he just happened to be quite good at them.
In "Harry Potter and the Chamber of Secrets," the primary antagonist is Tom Riddle, who is the young version of Lord Voldemort. He manipulates events from within the diary he possesses, using it to resurrect his memory and influence Ginny Weasley. Riddle seeks to rid Hogwarts of Muggle-born students, believing in the superiority of pure-blood wizards. His actions lead to the reopening of the Chamber of Secrets and the attacks on students at the school.
Yes, that is Lord Voldemort's real name. Tom is a memory of his sixteen year old self.
Meditation, memory verses and riddles are some examples of the mental exercises that improve the working memory.