16, this is due to its 8 protons and 10 neutrons, while the 8 electrons are perceived as having no atomic or 'relative' mass due to the incomprehensively small number (0.0000000000000000000000910938188 roughly)
20.1797 is its atomic mass
The atomic mass of Lithium(Li) is 6.941g.
The atomic mass of neon is 20.1797 amu
Arsenic
Europium, Eu
The atomic oxygen is O.
atomic no 10 atomic mass 14.0064 amu
Oxygen's atomic number is 8.atomic number of oxygen (O) is eight
Oxygen is a gas. atomic number of it is 8.
The atomic mass of Oxygen is 15.9994.
The atomic number for Oxygen is 8.
Atomic Mas