• Home
  • Chemistry
  • Astronomy
  • Energy
  • Nature
  • Biology
  • Physics
  • Electronics
  • Polyatomic Ions: Covalent Bonds with Overall Charge Explained
    You're asking about a molecule that has covalent bonds, meaning the atoms share electrons, but also has a net charge. This is a description of a polyatomic ion.

    Here's why:

    * Covalent bonds: Atoms share electrons to achieve a stable electron configuration.

    * Overall charge: The molecule has an imbalance in the number of protons (positive charge) and electrons (negative charge).

    Examples of polyatomic ions:

    * Ammonium ion (NH₄⁺): Nitrogen and hydrogen atoms are covalently bonded, but the ion has a +1 charge due to the loss of an electron.

    * Sulfate ion (SO₄²⁻): Sulfur and oxygen are covalently bonded, but the ion has a -2 charge due to the gain of two electrons.

    * Nitrate ion (NO₃⁻): Nitrogen and oxygen are covalently bonded, but the ion has a -1 charge due to the gain of one electron.

    Key point: While polyatomic ions have covalent bonds within their structure, they act as a single charged unit when participating in ionic bonding with other ions.

    Science Discoveries © www.scienceaq.com