Melting Point: -218.4 °C (54.750008 K, -361.12 °F) Boiling Point: -183.0 °C (
90.15 K, -297.4 °F) Number of Protons/Electrons: 8. Number of Neutrons: 8
Name, Oxygen. Symbol, O. Atomic Number, 8. Atomic Mass, 15.999 atomic mass
units. Number of Protons, 8. Number of Neutrons, 8. Number of Electrons, 8.
Oxygen with the symbol O has the atomic number 8 which means it is the 8th
element in the table. The number eight also means that oxygen has eight protons
Nov 27, 2012 ... For example, how did they know that Oxygen has 8 protons? ... I know that the
atomic number is the proton number and I know how to find the ...
All atoms have at least one proton in their core, and the number of protons
determines which kind of element an atom is. For example, an oxygen atom has
Jan 5, 2016 ... Atomic Number: The number of protons in an atom defines what ... have six
protons, hydrogen atoms have one, and oxygen atoms have eight.
The atoms of different elements have different numbers of protons. For example,
all oxygen atoms have 8 protons and all sodium atoms have 11 protons.
Dec 11, 2015 ... The "O" is, of course, the symbol for an oxygen atom. The subscript represents
the atomic number Z, the number of protons in the nucleus.
Different versions of the same element are called isotopes. Below are isotopes of
oxygen, they all have the same number of protons but different numbers of ...
It is the number of protons that determines the atomic number, e.g., H = 1. ... The
elements hydrogen, carbon, nitrogen and oxygen are the elements that make up