List the following in order, from large to small
Electron Cloud
Nucleus
Atom
Proton

Write the balanced chemical reaction for the formation of fe2(so4)3 from fe2o3 and so3 and determine how many moles of fe2(so4)3 are formed when 12.7 mol of so3 are reacted.

Which class of compunds has the general formula r-o-r

Kcal/moleee, e, eqsodium1s 2s 2p 3s111810911653he10034501002526magnesiumaluminium1s 2s 2p 3s1s 2s 2p 3s 3pwe27670411ce20 = 1what is the electron configuration when the valence electrons are removed from each of the elements listed in thchart? 1s22s22p3s21s 2s 2p60 15²2521s22s 2p 3s