In this way, how many valence electrons are in the oxygen atom?
This means that oxygen has 8 protons and 8 electrons. In order to get the number of neutrons you take the atomic weight in this case 15.9999~16 and you subtract it by the number of protons (16-8). To get the number of valence electrons just look at the numbers above the oxygen on the periodic table.
What is the valence for oxygen?
Of Oxygen is 8.so,electronic configuration of oxygen is 2,6.there is need to be atmost 2 electrons are present in first shell of an atom .and in second shell there are 8 electrons are needed to form stable octate.but oxygen only have 6 electrons in 2nd shell.so,oxygen needs 2 electrons to complete its octate.HENCE,THE