Combustion analysis of an unknown compound provides the following data: 73.5 grams carbon (c), 4.20 grams hydrogen (h) and 72.3 grams chlorine (cl). what is the percent composition of each element in this compound?

100 points answer quick the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

Which type of fossil does this image depict?