Here is the requested information for the element Oxygen (O):
- Atomic Number: 8
- Atomic Mass: 15.999 (though it is often approximated as 16)
- # of Protons: 8 (the atomic number is equal to the number of protons)
- # of Neutrons: 8 (approximately, since the atomic mass is roughly 16 - atomic number 8)
- # of Electrons: 8 (in a neutral atom, the number of electrons equals the number of protons)
Summary for Oxygen (O):
- Atomic Number: 8
- Atomic Mass: 15.999
-
of Protons: 8
-
of Neutrons: 8
-
of Electrons: 8