Take a look in ~ the picture below. Each of those colored balls is an electron. In one atom, the electrons spin approximately the center, likewise called the nucleus. The electrons choose to it is in in different shells/orbitals. Shell number one deserve to only hold 2 electrons, covering two have the right to hold 8, and also for the an initial eighteen elements shell three deserve to hold a preferably of eight electrons. As you learn about elements with an ext than eighteen electron you will discover that shell three have the right to hold more than eight. When one covering is full, the following electron the is added has to move to the next shell.So... For the aspect of OXYGEN, you currently know that the atomic number speak you the variety of electrons. That way there are 8 electrons in one oxygen atom. Looking at the picture, you deserve to see there are two electrons in covering one and also six in shell two.

You are watching: How many electrons does oxygen have?


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► more about the history and areas to find oxygen.► Next facet of the regular table.
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WaterThis is a water molecule. Even though girlfriend find facility names on other molecules, anyone calls H2O "water". Water is comprised of 2 hydrogen (H) atoms and also one oxygen (O) atom. The formula for water is H2O. The hydrogen atoms have actually filled orbitals through two electrons and also the oxygen atom is filled through eight electrons.

See more: Why Does Obi Wan Say Yoda Trained Him In Episode V? In The Empire Strikes Back, Obi


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Lithium OxideTwo lithium (Li) atoms deserve to bond v one oxygen (O) atom, do the formula Li2O. Oxygen likes to have actually two extr electrons to make it happy. Each lithium atom offers one. You deserve to see the the Oxygen atom has actually eight electrons (6 of its own, and one from every lithium), and also the 2 lithium atoms have actually two electrons each.
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Hydrogen PeroxideTwo hydrogen (H) atom can also bond through two oxygen (O) atoms, do the formula H2O2. That"s just one an ext oxygen 보다 water, yet it is a entirely different compound. You have the right to see the each of the Oxygen atoms has eight electrons, and the 2 Hydrogens have actually two electrons each. See exactly how the electrons space shared?
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