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Biomolecules

TermDefinition
Atom The smallest unit of matter.
Element A substance that is made up of one type of atom.
Molecule 2 or more atoms of different elements bonded together.
Compound 2 or more elements bonded together.
Atomic number The number of protons in the nucleus of an atom.
Mass number The total number of protons and neutrons in a nucleus.
Atomic weight The mass of an atom.
valence electron An electron located on the outermost shell of an atom.
Electron A subatomic particle with a negative charge .
Proton A subatomic particle with a positive charge .
Neutron A subatomic particle with no charge.
Isotope An element that has the same number of protons but different amount of neutrons.
Radioisotope Several species of the same chemical element with different masses.
Electron configuration The distribution of electrons of an atom or molecule
Bond When 2 of the same atoms bond with a different atom and share electrons.
Polar bond A chemical bond where a pair of electrons is unequally shared between 2 atoms.
Nonpolar bond A chemical bond where a pair of electrons is equally shared between 2 atoms.
Hydrogen bond A weak bond between two molecules.
Solvent A molecule that has the ability to dissolve other molecules.
Solution A mixture of solvent and solute molecules.
Solute A substance that can be dissolved by a solvent to create a solution.
Hydrophobic A molecule that doesn't affiliate with water and doesn't dissolve in it.
Hydrophilic A molecule that dissolves easily with water.
Amino acid An organic molecule that is made up of a basic amino groups.
Nucleotide One of the structural components of DNA and RNA.
Peptide bond A chemical bond formed between two molecules when the carboxylic group of
Lipid A nonpolar molecules that include fat, oils, and waxes .
Saturated fat A type of fat containing a high proportion of fatty acid molecules
Saccaride A monosaccharide sugar or combination of sugars
Specific heat (water) The amount of heat one gram of a substance must absorb or lose to change its temperature
Created by: lduransalin9228
 

 



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