it14spr101.40bc2456.txt

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adavis522
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257004
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it14spr101.40bc2456.txt
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2014-01-16 22:35:05
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  1. ´╗┐What is the smallest physical unit of an element or compound?
  2. Molecule
  3. What is the chemical formula that indicates the kinds of atoms and the number of each kind in a molecule of a compound
  4. Molecular Formula
  5. What is a chemical formula that shows how atoms are linked together in a molecule through a diagram? structural formula
  6. What is the grouping of electrons surrounding the nucleus of an atom? Electron Shells
  7. What rule states that when atoms combine to form molecules they generally each gain, lose, or share valence electrons until they attain or share eight? Octet Rule
  8. What is something that binds, fastens, confines, or holds something together? Bonds
  9. What holds the outermost electrons that can add, lose, or share electrons with other atoms? Valence Shell
  10. What is an atom that already has a full outer valence shell? Inert Atom
  11. What is an electrically charged atom or groups of atoms? Ion
  12. What is created by an electron loss (positive ion)? Cation
  13. What is created by an electron gain (negative ion)? Anion
  14. What is the bond between two ions formed through the transfer of one or more electrons? ionic bonds
  15. What is the bond formed by sharing a pair of electrons by two atoms? covalent bonds
  16. What means being capable of ionizing? polar
  17. What type of chemical bond happens when a hydrogen atom has a covalent link with an atom? Hydrogen bond
  18. What is any substance that undergoes a chemical change? Reactant
  19. What is the substance obtained from another substance through chemical change? Products
  20. What is the forming or building of a more complex substance or compound from elements or simpler compounds? Synthesis Rx
  21. What happens when a reactant molecule breaks to form simpler molecules? Decomposition Rx
  22. What happens when parts of two different molecules trade positions as bonds are broken and new bonds are formed? Exchange Rx
  23. What is it when a product or products change back to the reactant or reactants? Reversible Rx
  24. What are the molecules that influence the rates of chemical reactions but are not consumed in the process? Catalysts

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