Set: Chemistry of Life

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All 14 Terms

Term Definition
Element pure substance made up of one type of atom
Atom smallest part of an element that still has all characteristics of the element
nucleus center of the atom that contains most of the weight
protons positive charge
neutrons neutral charge
electron negative charge
Atomic number number if protons
atomic mass number of protons and neutrons
isotopes atoms of the same element with different number of neutrons
compounds a substance made of 2 or more different kinds of atoms
covalent bonds forces that holds two atoms together by sharing electrons
ionic bonds force that holds two atoms by opposite charges
molecule group of atoms held together by covalent bonds
ions charged atom that has gained or lost an electron

Set Information

Terms 14
Creator nicodog11
Created September 19, 2008
Groups None
Subject biology
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Most Missed Words

  1. ions → charged atom that has gained or lost an electron - 6 misses
  2. electron → negative charge - 5 misses
  3. neutrons → neutral charge - 5 misses
  4. compounds → a substance made of 2 or more different kinds of atoms - 3 misses
  5. protons → positive charge - 2 misses
  6. isotopes → atoms of the same element with different number of neutrons - 2 misses
  7. Atomic number → number if protons - 2 misses