An Olympic swimming pool is 50 meters long. You swim from one end to the other four times. How many meters do you swim?

Ithinks its false. tell me if im wrong

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