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33 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Atom
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The smallest particle of an element that retains properties of that element
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Basic building block of life
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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 composed of atoms that are chemically identical, alike in their # of protons
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H2
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Proton
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A particle with a positive electrical charge found in the nucleus of an atom.
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______,neutrons, and electrons.
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Electron
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A negatively charged electrical particle found outside of an atoms nucleus
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Float around in a cloud outside the nucleus of atoms.
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Neutron
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A non charged particle found in the nucleus of an atom.
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They make up the mass of the atom.
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Ion
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An atom or molecule that has either gained or lost one or more electrons.
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H1- O2-
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Isotope
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One of multiple forms of an element having the same atomic # but a different atomic mass
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When an atom gains or loses neutrons
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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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When the atoms bond and don't share electrons.
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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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When two atoms share electrons while bonded
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Polar Covalent Bond
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A bond between a a molecule with a + and - side
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?
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Law of Conservation of Matter
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The law stating that matter neither created not destroyed.
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Physics class. Matter can't come out of thin air
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Activation Energy
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The energy required to start a chemical reaction.
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H2 + O -------> H2O
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Hydrogen Bond
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A weak attraction between hydrogen atoms and oxygen, nitrogen, or fluorine atoms.
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Hold together strands of DNA
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pH Scale
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A scale from 0 to 14 reflecting the concentration of hydrogen ions in solution.
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Scales the acidity.
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Acid
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A molecule or other entity that can donate a proton or accept an electron pair in reactions.
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Don't touch this.
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Base
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A base is a chemical species that donates electrons or hydroxide ions or that accepts protons .
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Organic Compounds
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An organic compound is any member of a large class of gaseous, liquid, or solid chemical compounds whose molecules contain carbon.
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Gas, solid, or liquid.
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Macromolecules
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A large complex molecule
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A large molecule.
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Carbohydrates
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An organic compound made of carbon and oxygen. With the hydrogen and oxygen atoms in a 2:1 ratio; starches and sugars.
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Spaghetti has a lot of these
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Lipids
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A fat an oil or a wax
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Has fatty acids helps make up plasma membrane.
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Proteins
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An organic compound composed of one or more polypeptide chains of amino acids.
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I put a lot of this compound in shakes after working out
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Nucleus acids
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DNA or RNA
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The acid that holds the info on DNA
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Monasaccharides
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A simple sugar with 3 to 7 carbon atoms in its skeleton.
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Mono
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Fatty acids and glycerol
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What makes up the Lipids glycerol head fatty acid tail
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Amino Acids
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An organic compound composed of a central carbon atom to which are bonded n hydrogen atom, an amino group.
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Nucleotides
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A subunit of DNA or RNA composed of a 5-carbon sugar, a nitrogen containing base, and a phosphate group.
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Disaccharides
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A double sugar composed of two chemically bonded simple sugars.
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Polysaccharide
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A complex carbohydrate composed of many simple sugars
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Polypeptide
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A long chain of chemically bonded amino acids.
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Peptide bond
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A covalent chemical bond formed between two amino acids.
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DNA
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Deoyribonucleicacid
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The basic blueprints of genes.
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Gene
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The fundamental physical unit of heredity
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