meaning there are 34 total electrons in a neutral atom of selenium. This non-metal resides in Period 4, Group 6A. That means selenium keeps its electrons in four atomic orbitals, and has six valence electrons, or six electrons in its outermost orbital. You can also figure out how many ele...
How many paired electrons are there in Boron? How many moles of hydrogen are produced from the reaction of three moles of zinc with an excess of hydrochloric acid? Zn + 2HCl - ZnCl2 + H2 How do you count subatomic particles? When 1.20 mole of ammonia ( NH_3 ) reacts, what is the ...