Asubstance contains 36.1 percent calcium and 63.9 percent chlorine by weight. what is the empirical formula of the given compound?

Identify arrows pointing to bonding electrons. done h-0-0-h ) intro

Select all the correct answers. which compounds have the empirical formula ch20? (multiple answers)a. c2h4o2b. c3h603c. ch2o2d. c5h1005e. c6h1206

Two nails have identical sizes and shapes. in one nail, 20 percent of the domains are lined up. in the other nail, 80 percent of the domains are lined up. which has stronger magnetic force? first answer gets brainliest!