periodic table

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  1. 4. A chemical bond formed when atoms share one pair of electrons.
  2. 7. Positively charged particles located in the nucleus of an atom.
  3. 8. The possible locations around a nucleus where electrons may be found.
  4. 9. A table that shows the elements, their atomic number, symbol, and average atomic mass; elements with similar chemical properties are grouped together.
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  1. 1. The smallest particle of a compound that retains all the properties of the compound and is composed of one or more atoms
  2. 2. A chemical bond formed when atoms share three pairs of electrons.
  3. 3. A chemical bond formed when atoms share two pairs of electrons
  4. 5. A charged atom due to its loss or gain of negative electrons.
  5. 6. A pure substance made of only one kind of atom.