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31 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Atom |
The smallest particle of an element that retains the properties of an element.
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Small
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Molecule
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The smallest unit of a compound; composed of atoms covalently bonded to one another.
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H2O
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Element
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A substance made of atoms that are identical, alike in their numbers of protons.
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Identical
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Proton
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A particle bearing a positive charge found in the nuclei of atoms
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+
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Electron
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A particle bearing a negative charge
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-
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Neutron
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A particle bearing a neutral charge
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Ion
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An atom or molecule that has either gained or lost one or more electrons, giving it a charge.
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+/-
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Ionic bond
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A chemical bond formed by the attraction between oppositely charged ions
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Opposite, bond
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Covalent bond
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A chemical bond formed by two atoms sharing a pair of electrons
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Sharing, bond
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Polar Covalent Bond
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A covalent bond where the electrons are shared unevenly.
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Unequal
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Law of Conservation of Matter
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Matter cannot be created or destroyed
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Matter
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Activation Energy
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The energy necessary to start a chemical reaction.
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Chemical Reaction
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Hydrogen Bond
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A weak attraction between hydrogen atoms and oxygen, nitrogen, or fluorine atoms; holds to together strands of DNA in their double helix
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DNA
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Ph scale
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Reflects the concentration of hydrogen ions in solution
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Concentration
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Acid
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A ph balance lower than 7
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<7
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Base
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Having a ph greater than 7
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>7
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Organic Compounds |
Compounds that are made up of carbon atoms and other elements, originally associated with only living things. |
Compounds |
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Macromolecule |
A large, complex molecule |
Big |
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Carbohydrates |
An organic compound made of carbon, hydrogen, and oxygen, with the hydrogen and oxygen atoms in a 2:1 ratio. |
organic compound |
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Lipids |
A fat, an oil, a wax, or a fatlike compound, that usually has fatty acids in its molecular structure |
fat |
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Proteins |
An organic compound composed of one or more polypeptide chains of amino acids; most structural materials and enzymes in a cell are proteins |
structural materials |
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Nucleic Acids |
DNA or RNA; a polymer of nucleotides important in encoding instructions for cell processes |
Cell processes |
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Monosaccharide |
A simple sugar with three to seven carbon atoms in its carbon skeleton |
sugar |
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Fatty Acids& Glycerol |
? |
- |
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Amino acids |
An organic compound composed of a central carbon atom to which are bonded by a hydrogen atom |
Bond, Hydrogen |
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Nucleotides |
A subunit of DNA or RNA composed of a 5-carbon sugar, a nitrogen-containing base, and a phosphate group |
Subunit |
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Disaccharide |
A double sugar composed of two chemically bonded simple sugars |
2, bond, sugar |
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Polypeptide |
A long chain of chemically bonded amino acids |
Chain |
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Peptide Bond |
A covalent chemical bond formed between two amino acids; bonds the amino group of each amino acid to the carboxyl group of the next |
amino acids |
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DNA |
deoxryibonucleic acid; the hereditary material of most organisms; a nucleic acid composed of deoxyribose sugar, phosphate groups, and four nitrogen-containing bases |
ty parents for my DNA |
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Gene |
the fundamental physical unit of heredity, which transmits a set of specifications from one generation to the next, a segment of DNA that codes for a specific product |
also ty parents for my genes |
