* Atoms are neutral: Atoms have an equal number of protons (positively charged) and electrons (negatively charged). This means their overall charge is zero.
* Electronegativity: Oxygen is highly electronegative, meaning it has a strong tendency to attract electrons.
* Ionic and Covalent Bonding: Oxygen often forms chemical bonds with other atoms. These bonds can be:
* Ionic: Oxygen can gain electrons from another atom, resulting in a negative charge on the oxygen atom (an oxide ion).
* Covalent: Oxygen can share electrons with other atoms. While the overall molecule is neutral, the oxygen atom may have a partial negative charge because it pulls the shared electrons closer to itself.
In summary:
* Oxygen atoms are neutral by themselves.
* Oxygen's high electronegativity causes it to attract electrons in bonds.
* This can lead to oxygen atoms having a partial negative charge in covalent bonds or a full negative charge in ionic bonds.
