The volume of a gas is 10.O liters and it’s temperature is 1500 k if the temperature is decreased to 750 k what’s the new volume

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