The bricks, bound by the mixture of cement and sand, make a wall.īasically, everything in the universe is made of atoms. So if you consider a wall as a compound, a brick can be considered as an atom. To understand an atom, take an example of a wall. It’s the smallest or the single unit of that makes an element collectively. The lines and symbols are used to from diagrams. If there is an arrow showing two sides, it means the reaction can happen in any of the forward or backward. The formulas also contain the arrows, where one-way arrow denotes the reaction of an element towards the other element. The letters represent the element and the number represents the number of atoms of an element. So it’s like a symbolic presentation of a compound using the letters and numbers.Įach symbol represents an element, and an element is made of atoms bound together by the chemical bond. So if you want to write a compound that shows its elements and their proportions, you have to write it in a formula. Similarly, a compound is made of several elements and an element is made of atoms. For example, Cocoa Butter, Chocolate Liquor, Sugar, Lecithin and a flavoring agent makes a delicious item called Chocolate. How to Write Chemical Formulas CorrectlyĪ chemical formula is something like a recipe that contains different ingredients and makes an item.
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