Set: AP Biology

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All 10 Terms

Term Definition
Atom The smallest unit of matter that retains the properties of an element.
Electron A subatomic particle with a single negative charge.
Element Any substance that cannot be broken down into any other substance.
Isotope One of several atomic forms of an element, each containing a different number of neutrons and thus differing in atomic mass.
Compound A substance consisting of 2 or more elements in a fixed ratio.
Ionic bond A chemical bond resulting from the attraction between 2 oppositely charged ions.
Ion An atom that has gained or lost and electron, thus acquiring a charge.
Covalent bond A type of strong chemical bond in which 2 atoms share one or more pairs of valence electrons.
Molecule 2 or more atoms held together by covalent bonds.
Van der Waals force A weak attractive force between atoms or nonpolar molecules caused by a temporary change in dipole moment arising from a brief shift of orbital electrons to one side of one atom or molecule, creating a similar shift in adjacent atoms or molecules.

Set Information

Terms 10
Creator steshamarcon
Created March 26, 2008
Groups None
Tags the, nature, of, matter
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Description

Basic principles of chemistry

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Most Missed Words

  1. Electron → A subatomic particle with a single negative charge. - 2 misses
  2. Element → Any substance that cannot be broken down into any other substance. - 1 miss
  3. Isotope → One of several atomic forms of an element, each containing a different number of neutrons and thus differing in atomic mass. - 1 miss
  4. Compound → A substance consisting of 2 or more elements in a fixed ratio. - 1 miss
  5. Molecule → 2 or more atoms held together by covalent bonds. - 1 miss
  6. Van der Waals force → A weak attractive force between atoms or nonpolar molecules caused by a temporary change in dipole moment arising from a brief shift of orbital electrons to one side of one atom or molecule, creating a similar shift in adjacent atoms or molecules. - 1 miss