How many hours will it take to fill a cubic vat of 18.7 fit edge length that has a density of 1.49 g/mL and is spilling at a rate of 3.85kg/s?

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

Noble gases is far right