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Elements of Life

Nathan Butler 14 questions

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Questions in this quiz (14)

  1. 1Which scientist cut up a piece of material until he discovered what then was thought to be the smallest particle an atom?
    1. ADalton
    2. BDemocritus
    3. CRutherford
  2. 2Who discovered the later to be named electron?
    1. AJ.J Thomas
    2. BDalton
    3. CBohr
  3. 3What particle did Rutherford shoot at a piece of thin gold foil during his experiment to confirm that an atom is mostly empty space?
    1. ABeta particle
    2. BSoot particle
    3. CAlpha particle
  4. 4What did Rutherford discover about the atom due to his experiment with firing particles at gold foil?
    1. AThe atom has a dense positivley charged nucleus in the center of the atom.
    2. BThe atom has electrons which orbit the nucleus in energy levels.
    3. CAtoms are mostly empty space with negatively charged particles embedded.
  5. 5What of the below evidence supported Bohrs hypothesis that electrons are located at specific energy levels.
    1. AAtomic Spectra
    2. BWhen compounds are formed
    3. CElectrolysis of compounds
  6. 6[blank_start]Dalton's[blank_end] Billiard Balls-
    Conclusion- Atoms are [blank_start]solid spheres[blank_end]. Atoms are of the same element [blank_start]are identical[blank_end].
    Evidence- When observing the formation of [blank_start]compounds[blank_end] and the atom rearrangement.
    1. ADalton's
    2. BBohrs
    3. CRutherfords
    4. DDemocritus
    5. Esolid spheres
    6. FHollow spheres
    7. Gsmall squares
    8. Hidentifiable mass
    9. Iare identical
    10. Jvary slightly
    11. Kare different
    12. Lcompounds
    13. Mions
    14. Nmolecules
  7. 7When an electron [blank_start]absorbs energy[blank_end] it is [blank_start]excited[blank_end] to a higher energy level. However the electron is [blank_start]unstable[blank_end] in its [blank_start]excited position[blank_end] so in turn [blank_start]drops to[blank_end] any lower energy level. The electron [blank_start]emits energy[blank_end] in the process in the form of [blank_start]light[blank_end].
    1. Aabsorbs energy
    2. Bsteals energy
    3. Clight
    4. Demits energy
    5. Eunstable
    6. Fexcited position
    7. Gdrops to
    8. Hexcited
  8. 8Which of the following terms is the definition of relative isotopic mass?
    1. AIsotopic mass is the mass of an atom compared to 1/12 of a carbon-12 atom.
    2. BIsotopic mass is the mass of an atom compared to a hydrogen-1 atom.
    3. CIsotopic mass is the mass of an atom compared to 1/16 of a oxygen-16 atom.
  9. 9Which of the followings are correct for the term isotope.
    1. ASame amount of protons
    2. BDifferent number of electrons
    3. CDifferent mass number
    4. DDifferent number of neutrons
  10. 10Which of the following is the definition for relative atomic mass?
    1. AThe weighted average of all naturally occurring isotopes of an element.
    2. BThe weighted average of all isotopes and possible ions of an element.
    3. CThe weighted average of all possible ions of an element

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