Wednesday, November 25, 2015

Ionic & Covalent Bonds

Compounds are formed when elements of an atom join with another elements atom to form another substance, this happens using chemical bonds, for example the reaction between sodium and chlorine forms the compound sodium chloride. There are two main types of bonds, Ionic bond and Covalent bond

Ionic Bonds: They are formed in which one or more electrons from an atom, are removed and attached to another atom. This chemical bond happens when a positive and a negative ion are being generated

Covalent Bonds: It is a chemical bond that involves sharing of a pair of valence electrons by two atoms. If there is a covalent bond between two atoms, neither atom lose or share an electron, so no ions are formed

Examples of Ionic Bonds

Toothpaste


A toothpaste is used to clean your teeth everyday and makes your teeth smell good and fresh. Toothpaste has sodium fluoride, which is a chemical compound. The chemical formula for a toothpaste is NaF (sodium fluoride)

Baking Soda


Baking soda is used for cleaning and cooking also. Baking soda has  Sodium Bicarbonate and the formula for baking soda is NaHCO3 ( Soduim, hydrogen, carbon, and oxygen)

Examples of Covalent Bonds
Vinegar


Vinegar is used in cooking, and cleaning. It is made up of acetic acid and water, and is also known as dilute acetic acid. The chemical formula for vinegar is CH3COOH.

Sugar




Sugar is used for sweetening certain things for example coffee. The chemical compound in sugar is carbon, hydrogen and oxygen. The chemical formula for sugar is C12H22O11.


- Sania Khan

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