https://www.bkacontent.com/understanding-mnemonic-devices/

What is a mnemonic device? Mnemonics are a technique used to help memorize multiple steps or complicated processes by using familiar words or a catchy phrase. Mnemonics can also be auditory. 

 

 

 

Example:

Please Excuse My Dear AuntSally 

is a well-known mnemonic from algebra 1. This is a helpful way for you to remember the order in which to do algebraic operations:

Parenthesis Exponents Multiplication Division Addition Subtraction

So how can mnemonics help you in chemistry?