The element copper has naturally

  1. Naturally occurring copper contains a mixture of 69.09% copper-63 (63.9298 amu) and 30.91% copper-65 (64.9278 amu). What is the
    1. answers icon 3 answers
    2. ashley asked by ashley
    3. views icon 3,331 views
  2. The element copper has naturally occuring isotopes with mass numbers of 63 and 65. The relative abundance atomic masses are
    1. answers icon 3 answers
    2. henry asked by henry
    3. views icon 1,938 views
  3. Copper has two naturally occurring isotopes. Cu-63 has a mass of 62.939 amu and relative abundance of 69.17%. Use the atomic
    1. answers icon 3 answers
    2. NEED HELP asked by NEED HELP
    3. views icon 2,203 views
  4. The two naturally occurring isotopes of copper 63Cu &64Cu have masses 62.2996amu&64.9278 amu respectively. The atomic mass of
    1. answers icon 1 answer
    2. views icon 133 views
  5. 22. The two naturally occurring isotopes of copper 63Cu &64Cu have masses 62.2996amu&64.9278 amu respectively. The atomic mass
    1. answers icon 1 answer
    2. views icon 132 views
  6. Naturally occurring copper is a mixture of two isotopes. One of these has 34 neutrons the other has 36. If the relative atomic
    1. answers icon 4 answers
    2. Rose asked by Rose
    3. views icon 848 views
  7. A copper pan is made by a person. Is the pan synthetic?No, it is not synthetic because copper is not recyclable. No, it is not
    1. answers icon 0 answers
    2. help asked by help
    3. views icon 287 views
  8. A copper pan is made by a person. Is the pan synthetic?(1 point)Responses No, it is not synthetic because copper is an element
    1. answers icon 1 answer
    2. optional asked by optional
    3. views icon 156 views
  9. A copper pan is made by a person. Is the pan synthetic?(1 point)Responses No, it is not synthetic because copper is an element
    1. answers icon 1 answer
    2. views icon 20 views
  10. Copper can be found in it's element form however, it is usually mined from its ores, such as chalcopyrite or chalcocite or
    1. answers icon 1 answer
    2. Jah Jah asked by Jah Jah
    3. views icon 125 views