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?