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ch 6 vocab
| Term | Definition |
|---|---|
| acid | any substance that forms hydrogen ions (H+) in water |
| atom | the smallest particle of an element that has the characteristics of that element |
| base | is any substance that forms hydroxide ions (OH-) in water |
| compound | a substance that is composed of the elements sodium and chlorine. |
| covalent bond | the force that holds together two atoms sharing electrons |
| element | Substance that can't be broken don into simpler chemical substances |
| ion | a charged particle made of atoms |
| ionic bond | the attractive force between two ions of opposite charge |
| isotope | atoms of the same element that have different numbers of neutrons |
| metabolism | all of the chemical reactions that occur within an organism |
| mixture | a combination of substances in which the individual components retain their own properties |
| molecule | a group of atoms held together by covalent bonds |
| Nucleus | The center of an atom |
| Ph | A measure of how acidic or basic a solution is |
| Soulution | A mixture in which onenor more substances (solutes) are distributed evenly in another substance (solvent) |
| Diffusion | The net movement of particles from an area of higher concentration to an area of lower concentration |
| Dynamic equilibrium | Continuous movement but no overall concentration change |
| Hydrogen bond | The attraction of opposite charge between hydrogen and oxygen forming a weak bond |
| Polor molecule | A molecule with a unequal distridution of charge this is each molecule has a positive end and a negative end |
| Amino acid | The basic building block of protins |
| Carbohydrate | A biomolecule composed of carbon, hydrogen, and oxygen with a ratio of about two hydrogen atoms and one oxygen atim for every carbon atom |
| Enzyme | A protien that changes the rate of a chemical reaction |
| Isomer | Compounds that have the same chemical formula but different three dimensional structures |
| Lipid | Large biomolecules that are made mostly of carbon and hydrogen with a smal amount of oxygen |
| Nucleic acid | A complex biomolecule that stores cellular information iin the form of a code |
| Nucleotide | Smaller subnits that make up that make up polymers called nucleic acids |
| Peptide bond | The covalent bond formed between the amino acids |
| Polymer | A large molecule formed when many smaller molecules bond together |
| Protein | A large , complex polymer composed of carbon ,hydrogen, oxygen, nitrogen, and sometimes sulfur |
Created by:
lovemonkey318
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