Timothy hay for rabbits is simply the best option when deciding what should make up the bulk of your petâs diet. Dental health The second, and no less important, reason that timothy is a great type of hay you can feed your rabbit is that of dental health.
The halogens (F, Cl, Br etc.) are one electron short of a valence shell octet, and are among the most reactive of the elements (they are colored red in this periodic table). In their chemical reactions halogen atoms achieve a valence shell octet by capturing or borrowing the eighth electron from another atom or molecule.
The elements in the carbon family all will have four valence electrons, the elements in the nitrogen family will have five, the elements in the oxygen family will have six, the halogens will have seven valence electrons and aside from helium, the elements in the last column - the noble gases - will all have eight valence electrons (two s electrons and six p electrons).