Describe the four main shapes of galaxies.
Spiral:
Elliptical:
Lens:
Irregular:

the number of valence electrons for each molecule or ion is shown beneath the structure. remember hydrogen will not have more than two electrons. this hydrogen is part of a covalent bond (sharing two electrons). a double bond here would cause hydrogen to share four electrons with phosphorus.

my dad did alot of meth and ace cheeks