When 13.5 grams of methane (ch4) burns in 40.0 grams of oxygen, how many grams of water are formed?

Me i dont know what to do! 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 is the correct lewis dot structure for arsenic?

Which scientists contributed to the determination of how cfcs in clouds in the upper atmosphere could destroy ozone molecules