Q: Given a scientific passage and an answer, generate a question for the given answer.
Passage: The name carbon tetrachloride implies one carbon atom and four chlorine atoms, so the formula is CCl4. Saylor URL: http://www. saylor. org/books. Answer: chlorine
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
The name carbon tetrachloride implies one carbon atom and four of which other atoms?