Take a look in ~ the photo below. Every of those fancy balls is an electron. In an atom, the electrons spin approximately the center, additionally called the nucleus. The electrons prefer to be in separate shells/orbitals. Covering number one can only organize 2 electrons, covering two deserve to hold 8, and also for the very first eighteen elements shell three deserve to hold a maximum of eight electrons. As you learn around elements with much more than eighteen electron you will uncover that shell three have the right to hold an ext than eight. As soon as one shell is full, the next electron that is added has to relocate to the next shell.So... Because that the facet of OXYGEN, you already know the the atomic number tells you the variety of electrons. That method there space 8 electrons in an oxygen atom. Looking in ~ the picture, you deserve to see there room two electron in covering one and also six in shell two.

You are watching: How much electrons does oxygen have


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► more about the history and places to find oxygen.► Next facet of the routine table.
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WaterThis is a water molecule. Also though friend find complicated names on various other molecules, everyone calls H2O "water". Water is made up of 2 hydrogen (H) atoms and one oxygen (O) atom. The formula for water is H2O. The hydrogen atoms have actually filled orbitals with two electrons and also the oxygen atom is filled through eight electrons.

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Lithium OxideTwo lithium (Li) atoms deserve to bond with one oxygen (O) atom, make the formula Li2O. Oxygen likes to have actually two additional electrons to make it happy. Each lithium atom provides one. You have the right to see that the Oxygen atom has eight electrons (6 the its own, and one from each lithium), and the two lithium atoms have actually two electrons each.
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Hydrogen PeroxideTwo hydrogen (H) atoms can also bond v two oxygen (O) atoms, do the formula H2O2. That"s just one more oxygen 보다 water, but it is a completely different compound. You have the right to see the each that the Oxygen atoms has actually eight electrons, and the 2 Hydrogens have two electron each. See just how the electrons space shared?
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