Measurements show that unknown compound X has the following composition: carbon 18.1%
hydrogen 2.27%
chlorine
79.8%
Write the empirical chemical formula of X.

Five students had to answer the question how are elements arranged in a periodic tabledamon: i think the elements are arranged by increasing massflo: i think the elements are arranged according to their properties sienna: i think the elements are arranged by when their discovers kyle: i think the elements are arranged according to how common they areglenda: i don't agree with any of themwho is right

Label a-f based on the table using c for concentrated and d for dilute

Avariable that is not being directly tested during an experiment should be