Oxygen
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oxygen
8 protons, 8 electrons, 8 neutrons in oxygen
That would be a gas with the Atomic 8 and mass number of 16 - Oxygen
Helium is the only noble gas that doesn't have 8 valence electrons. It only has 2.
oxygen atom has 8 protons and 8 neutron's. since they 8 protons they also have 8 electrons in there neutral state.
ok N has 14 protons and electrons. C has 12 protons and electrons. O has 16 protons and electrons. nitrogen gas is not N, it is N2, which means 28 protons and electrons. C and O added up is also 28.
He does not have 8 valence electrons. It has only 2 valency electrons.
mercury is an inert gas having 8 valence electrons
Neutron - No ChargeElectron - Negative charge
Argon is a noble gas. It has a full valence shell and thus, 8 electrons.
Argon is a noble gas. All noble gasses have 8 valence electrons. Thus argon has 8 valence electrons as well.