Fall Sem Chem Final Pt. 1

  1. Direct combination reaction is
    2 or more reactants combined to form a compound
  2. Single replacement reaction is
    Single, uncombined element replaces another element in a compound
  3. Decomposition reaction is
    A compound breaks down into at least 2 smaller compounds or elements
  4. _______________ _____________ ranks element in order of ability to replace one another in compounds
    Reaction bonds
  5. Molecular geometry of BCl3 is
    Trigonal Pair
  6. CO2 hybrid orbitals are
    SP?
  7. _______ are polar molecules with charged ends.
    dipole
  8. Formula for copper(II) choride =
    CuCL2
  9. Chemical name for rust is
    Iron(III)Oxide
  10. 4f elements are
    Lanthanides
  11. _________ elements contain metals and nonmentals
    metalloids
  12. _________ makes up most of the Earth's atmosphere
    nitrogen
  13. _______ is the most abundant element on earth
    oxygen
  14. An ion is formed when___________
    atoms lose or gain electrons
  15. When calcium becomes an ion, it _________________ ____ e-
    loses 2 e-
  16. In an ionic bond N achieves an octet by __________ ____ e-
    gaining 3
  17. Draw Lewis dot diagram for nitrogen
    "n" with 7 dots around it
  18. ________ is the suffix of monoatomic anions
    ide
  19. Ionic bond is __________ of e-, covalent bond is _________ of e-
    transferring; sharing
  20. O-O is a __________ __________ __________ bond.
    single covalent bond?
  21. Formula of ammonium phosphate if _____________
    (NH4)3PO4
  22. Formula of iron (II) sulfate is
    FeSO4
  23. Formula of phosphorus pentacholoride is
    PCl5
  24. _________,____________,__________ make up an atom
    electron neutron proton
  25. Atomic number is
    # of protons
  26. Atomic mass number is _________________
    Protons + electrons
  27. ___________ ____________ determines element's identity
    atomic number
  28. An ion always contains
    different # of e-
  29. Atoms with same # of protons, but different # of neutrons is _______
    isotopes
  30. _____________ ______ force holds protons together
    _____________ ___________ force holds protons together.
  31. Alpha particle is ______________
    a
  32. There are fundamental "pieces" of energy called Quantum.
    Planck's Theory
  33. Light has properties of _________
    waves and particles
  34. Brightness of light depends on its _____________
    amplitude
  35. Speed of light is
    3.0 x 108 m/s
  36. ____________ have the longest wavelength
    radio
  37. _____________ first proposed quanta
    Planck
  38. ______________ are quanta of light.
    Photons
  39. When an element is vaporized in a flame, it releases energy in the form of ______________.
    light of only certain wavelengths
  40. _____________ discovered radioactivity
    Becquere
Author
gerardcb
ID
59727
Card Set
Fall Sem Chem Final Pt. 1
Description
final
Updated