Atoms are like the letters of the alphabet the compounds they make are like words.
Helium only possesses two valence electrons, while the other noble gasses posses eight
Mercury atoms have 80 electrons and 80 protons with 122 neutrons in the most abundant isotope. Under standard conditions mercury is a shiny, heavy, silvery liquid. It is the only metal that is liquid at room temper
Answer: Compound are different than elements because compounds are combinations of 2 or more elements.
I'm not going toblie I'm stuck with A and B.
But to me my gut says A