CHNOPS
"CHON" stands for carbon, hydrogen, oxygen, and nitrogen, which together make up more than 95 percent of the mass of biological systems.Carbon, hydrogen, nitrogen, oxygen, phosphorus, and sulfur are the six most important chemical elements whose covalent combinations make up most biological molecules on Earth.[3] Phosphorus is contained in phospholipids, a class of lipids that are a major component of all cell membranes, as they can form lipid bilayers, which keep ions, proteins, and other molecules where they are needed for cell function, and prevent them from diffusing into areas where they should not be.Phosphate groups are also an essential component of the backbone of nucleic acids (general name for DNA & RNA) and are required to form ATP – the main molecule used as energy powering the cell in all living creatures.Such collisions were especially common early in Earth's history, and these impactors may have been crucial in the formation of the planet's oceans.
Chon (name)Chon (disambiguation)carbonhydrogennitrogenoxygenphosphorussulfurmnemonicacronymselementschemical elementscovalentbiologicalmoleculesnonmetalssphingolipidspolysaccharideschitinmineralstrace elementsamino acidscysteinemethioninephospholipidslipidscell membraneslipid bilayersproteinsnucleic acidsCarbonaceous asteroidsmeteoritesEarth's historyfulminic acidisofulminic acidcyanic acidisocyanic acidAbundance of the chemical elementsBiochemistryBioinorganic chemistryCarbon-based lifeMicronutrientPearson EducationPearson Prentice HallWayback MachineMichael A'HearnUniversity of MarylandUniversity of Missouri-RollaUniversity of ArizonaSteward ObservatoryBibcodemnemonicsPhysicsLeft-hand ruleRight-hand ruleOBAFGKMPlanetary mnemonicThermodynamic squareESCAPPMFour FsTaxonomy mnemonicMnemonics in trigonometryPiphilologyClorptSCORPANList of chemistry mnemonicsSodium in biologyMagnesium in biologyPotassium in biologyCalcium in biologyManganese in biologyIron in biologyCobalt in biologyCopper in biologyZinc in biologySelenium in biologyMolybdenum in biologyIodine in biologyArsenic biochemistryBiological aspects of fluorineCHONPSDeficienciesChromiumCopperIodinePotassiumManganeseMolybdenumSodiumSeleniumToxicityArgyria (Silver)Arsenic poisoningBeryllium poisoningAcute beryllium poisoningBerylliosisChlorine gas poisoningChromium toxicityCobalt poisoningCopper toxicityCadmium poisoningFluoride toxicityHalotoleranceIron poisoningIron overloadLead poisoningLithium toxicityMercury poisoningMetal toxicityNickel allergyOxygen toxicityThallium poisoningTin poisoningToxic heavy metalZinc toxicityComposition of the human bodyLithium (medication)Mineral (Essential element)Soil salinityUranium in the environmentHealth effects of radon