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Ionic Bond

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A series of free IGCSE Chemistry Activities and Experiments (Cambridge IGCSE Chemistry).

Ionic bonding
When metals react with non-metals, electrons are transferred from the metal atoms to the non-metal atoms, forming ions. The resulting compound is called an ionic compound.
Consider reactions between metals and non-metals, for example,
sodium + chlorine → sodium chloride
magnesium + oxygen → magnesium oxide
calcium + chlorine → calcium chloride
In each of these reactions, the metal atoms give electrons to the non-metal atoms. The metal atoms become positive ions and the non-metal atoms become negative ions.
There is a strong electrostatic force of attraction between these oppositely charged ions, called an ionic bond.

In this video, we will look at ionic bonding.
Elements react in order to achieve a full outer energy level.
Formula of Ionic Compounds
In an ionic compound, the charges on the ions have to cancel out to leave an overall charge of zero. Ionic and covalent compounds
Properties of ionic and covalent compounds Questions:
1. Describe how electrons are transfered during ionic bonding (use magnesium iodide as an example).
2. Draw dot and cross diagrams to show ionic bonding (use magnesium iodide as an example).
2. What are the general properties of ionic and covalent compounds?

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