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ZingPath: Chemical Bonding

Chemical Compounds: Ionic Bonding

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Chemical Bonding

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Lesson Focus

Chemical Compounds: Ionic Bonding

Physical Science

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You will be introduced to ions and the formation of ionic bonds.

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Now You Know

After completing this tutorial, you will be able to complete the following:

  • Explain that protons are positively charged particles that are located inside the nucleus, whereas, electrons are negatively charged particles which are located outside the nucleus.
  • Identify positively and negatively charged ions based on the number of protons compared to the number of electrons.
  • Explain that ionic compounds are oppositely charged ions, which are attracted to each other.

Everything You'll Have Covered

Atoms are made up of three subatomic particles: the proton, neutron and electron. The proton has a positive charge and is located inside the nucleus. The neutron is also located inside the nucleus, but has a neutral, or no charge. The electrons orbit around the nucleus with a negative charge. The overall charge for an atom is the difference of the number of electrons to the number of protons.

Each element has a specific number of protons, which will not change. The number of neutrons may change, but that will not be discussed in this activity. The number of electrons may change depending on the type of atom. If an atom gains an electron, the overall charge of the atom is negative one. If the atom loses an electron the overall charge becomes positive one. In both cases, the atom is now called an ion, indicating it has an overall charge. When ions with opposite charges come in close proximity with each other, they may be attracted to each other forming an ionic bond. If the ions have the same charge as each other, they will repel away from one another and not form a bond.

Tutorial Details

Approximate Time 20 Minutes
Pre-requisite Concepts Students should be familiar with Atomic structure.
Course Physical Science
Type of Tutorial Concept Development
Key Vocabulary atom, bond, chemical