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Biology Vocab
| Term | Definition |
|---|---|
| Atom | The smallest and most basic units of life |
| Element | A substance made of atoms with identical number of protons |
| Molecule | A group of elements bonded together |
| Compound | A group of two or more elements |
| Atomic Number | The number of protons an element has |
| Mass Number | The total number of protons and neutrons an element has |
| Atomic Weight | The average weight of an atom |
| Valence Electron | Amount of electron in the outermost shell of an atom |
| Electron | A negatively charged particle found on the shells of atom |
| Proton | A positively charged particle found in the nucleus of an atom |
| Neutron | A neutral charged particle found in the nucleus of an atom |
| Isotope | Different variations of an element but with different amounts of neutrons |
| Radioisotope | Atoms that contain an unstable amount of protons and neutrons |
| Electron Configuration | How the electron are distributed in the shells of the atom |
| Bond | How atoms attracted to each other |
| Polar Bond | When two elements that share unequal amounts of electrons |
| Nonpolar Bond | When two elements that share equal amounts of electrons |
| Hydrogen Bonds | Attraction between a positively charged hydrogen atom and a electronegative atom |
| Solvent | A molecule with ability to dissolve other molecules |
| Solution | A mixture of molecules |
| Solute | A molecule that can be dissolved |
| Hydrophobic | Molecules that do not combine with water |
| Hydrophilic | Molecules that do combine with water |
| Amino Acid | An organic molecule that is a building block for protein |
| Nucleotide | A building block for DNA and RNA |
| Peptide Bond | A chemical bond when carboxyl and the amino group reacts releasing water |
| Lipid | An organic compounds that are fatty acids |
| Saturated Fat | Type of fat which the fatty acid chains have all single bonds |
| Saccharide | The most basic form of carbohydrates |
| Specific Heat (water) | The amount of energy needed to make a water molecule raise 1 degree (4.186) |
Created by:
Cash Ostberg
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