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CHEMISTR
Explainer: What are chemical bonds
The attractive forces that hold chemicals together drive the properties of each substanc
Imagine a glass jar holding 118 types of building blocks. Every type is a slightly different color, size and shape. And each represents an atom of a different element on the periodic table. With enough jars, you can use the blocks to build anything — as long as you follow a few simple rules. A combination of blocks is a compound. Within the compound, bonds are what “glue” each of the blocks together. Additional, weaker types of bonds can attract one compound to another
These bonds are quite important. Essential, really. Quite simply, they hold our universe together. They also determine the structure — and therefore the properties — of all substances. To know if a material dissolves in water, for instance, we look to its bonds. Those bonds also will determine if a substance conducts electricity. Can we use a material as a lubricant? Once again, check out its bonds
Chemical bonds broadly fall into two categories. Those that hold one building block to another inside a compound are known as intra bonds. (Intra means within.) Those that attract one compound to another are known as inter bonds. (Inter means between.
Intra- and inter-bonding are further divided into different types. But electrons control all bonds, no matter what type.