The two major groups of dinosaurs during the jurassic period were the saurischians and the
a)pterosaurs.
b)ichthyosaurs.
c)ornithischians.
d)herbivores.

C- the ornithischians lol such a weird name for a dinosaur

If a hydrogen atom is neutral, it must also have  one electron. an oxygen atom (o) has an atomic number of eight (8). this means a neutral oxygen atom has eight protons and eight electrons. the element actium (ac) has an atomic number of 89, so it has 89 protons and 89 electrons in a neutral atom