What micronutrients are needed by plants?

primarynutrients can be also called macro nutrients which are the essential elements which are used by plants in large amounts, they are COHNPK which is an acronym i remember them with = carbon, oxygen, hydrogen Nitrogen Phosphrus and Potasium they all play diffrent roles in the plants like oxygen which is used for Photorespitation, manythings

Micro-nutriens are the trace elements needed in small quatities wayy smaller than Macronutrients for plant growth.

there is a lot but to name a few: Iron(which is sometimes called a macromolecule as well) Boron, manganese, cobolt and soo on and soo forth. I'm even doing and exam on this tomorrow. :) I'm just reading about it right now.