Anonymous asked 6/14/2010 Oxygen Has An Atomic Number Of 8. The N = 1 Shell Has Two Electrons, And The N = 2 Shell Has Six Electrons. Oxygen's Valence Is?
Anonymous asked 6/14/2010 2H2O → O2 + 2H2 When An Electric Current Is Passed Through Water, The Reaction Shown Takes Place. If The Arrow Were Pointing In The Opposite Direction, What Type Of Reaction Would The New Reaction Represent?
Anonymous asked 6/13/2010 An Atom In The Ground State Has Seven Valence Electrons. This Atom Could Be An Atom Of Which Element?
