PM has various meanings in the Chemistry category. Discover the full forms, definitions, and usage contexts of PM in Chemistry.
Particles formed by incomplete combustion of fuel. Compression ignition (diesel) engines generate significantly higher PM emissions than spark ignited engines. The particles are composed of elemental carbon, heavy hydrocarbons (SOF), and hydrated sulfuric acid.
ChemistryThe plasma membrane is composed of a phospholipid bilayer, which is two layers of phospholipids back to back. Phospholipids are lipids with a phosphate group attached to them. The phospholipids have one head and two tails. The head is polar and hydrophilic, or water loving. The tails are nonpolar and hydrophobic, or water hating.
ChemistrySymbol:"Pm" Atomic Number:"61" Atomic Mass: (145)amu. This is one of the elements in the lanthanide series of inner transition elements. It may also be classified as a rare earth element. This element is not found in nature and has only been created in a lab. You will not find many uses for it in real life.
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