Flashcards. Dave answered . Oxygen has 6 valence electrons. Answer Save. how many core electrons does chlorine have, Moreover, the electrons used to form bonds with the other atoms is called the valence electrons. 20. For oxygen, Z=8. The post How many valence electrons does an oxygen atom have chemistry homework help appeared first on Graduate Paper Help. Question Date: 2005-10-08: Answer 1: The Periodic Table of elements can tell you a lot about the elements. How do slab pull forces affect plate motion? 3. You can see that the Oxygen atom has eight electrons (6 of its own, and one from each lithium), and the two lithium atoms have two electrons each. Calculate the number of protons, neutrons and electrons for the following elelments. Therefore, oxygen has 2 electrons in the 2s and 4 in the 2p, for a total of 6 valence electrons. You can easily identify how many an element has by looking at a periodic table. - Definition & Examples What is Evaporation? Gravity. An oxygen ion has a -2 charge - a. b. The 7 electrons that are found in the valence shell are the electrons used to bond with the other atoms. The circles show how the valence electron shells are filled for both atoms. How Many Valence Electrons Does Potassium Have? How many valence electrons does sulfur have? He who owns the information, owns the world – said V.Cherchill. a. Electron present in the first shell (n=1) 2n^2=2(1)^2=2(1)=2 How many valence electrons does Oxygen (O) have? Today the information lies around, so this phrase would sound like this: Не who knows where to find information, owns the world. An element's stability and reactivity depends on the number of electrons in its outermost or valence shell and not in the whole atom. The Carbon Cycle (29) The Element Carbon (2) Neutrons (69) Protons Neutrons And Electrons (7) The Number 30 (1) The Number … Electron present in the first shell (n=1) 2n^2=2(1)^2=2(1)=2 Oxygen is found in the sixth group, therefore it has six valence electrons.