There are 8 hydrogen atoms.
4H2 actually means
Answer:
The mass number is defined as the total number of protons and neutrons in an atom. The number of neutrons = mass number − atomic number.
<span>Earthquakes
are frightening and often dangerous to Earth. The disturbances in Earth’s crust
causes destructions and fatality. The world’s seismic energy is release in the
form of damaging earthquakes have been
concentrated along the Pacific Ocean where it meets the Western coast of North,
Central and South America. Specifically, west of the Rocky Mountains, from
California to Alaska, in Missouri and reaches across Japan, Philippines,
Indonesia, China and Australia.</span>
True, as hydrogen has 1 proton in its nucleus