2nd October 2019

socratic
14

What is the charge of oxygen when it becomes an ion?

Oxygen has 6 valence electrons. To fill up the valence shell, which (when in oxygen's row) has 8 electrons, an oxygen atom wants to gain 2 electrons. Since every electron has a single negative charge, the addition of two electrons results in an oxygen ion with a charge of −2 .

In this regard, is an oxygen ion positive or negative?

Thus, an energetic electron passing near or through an oxygen molecule, O2, may force one of the electrons out of the molecule. The result is an ion pair consisting of the positive oxygen ion, O2+, and the negative detached electron, e-.

What is the oxygen ion?

Oxygen, O. Oxygen is in Group 6. It has six electrons in its outer shell. It gains two electrons from one or two other atoms in reactions, forming an oxide ion, O2. An oxide ion has the same electronic structure as a neon atom (Ne).

Is oxygen positive or negative charge?

The covalent bonds are therefore polar, and the oxygen atoms have a slight negative charge (from the presence extra electron share), while the hydrogens are slightly positive (from the extra un-neutralized protons). Opposite charges attract one another.
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