Identifying Air Mass Classifications
Quick
Match each air mass classification with its place of origin.
polar
over higher latitudes
maritime
over water
tropical
over lower latitudes
continental
over land

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