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Understanding the Atom - Quiz 2

Noam Marom 7 questions

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Questions in this quiz (7)

  1. 1Where is majority of the mass of an atom?
    1. AThe cloud
    2. BThe nucleus
    3. CThe electron
    4. DThe mitochondria
  2. 2The name of Rutherford's experiment was called the [blank_start]Gold Foil[blank_end] experiment which provided evidence for the existence of the [blank_start]nucleus[blank_end] of the atom.
    1. AGold Foil
    2. BSilver Foil
    3. CScotch Tape
    4. DElectron Gun
    5. Eelectron
    6. Fproton
    7. Gnucleus
    8. Hatom
    9. Ishape
    10. Jneutron
  3. 3Label the picture with the appropriate terms. Each dot only needs one term.Image for question 3
    1. AAtomic mass
    2. BAtomic address
    3. CAtomic radioactivity
    4. DAtomic Number
    5. EJust a pointless number
    6. FAbundance
    7. GChemical symbol
    8. HAlgebra representing the element
    9. IRepresents an ion
  4. 4A proton has a mass of 1. So Hydrogen, being the first element, has a mass of 1. Chemists hypothesised, that the proton (being almost 2000 times heavier than the electron) contributed all the mass of an atom. As such, an element like helium, which has 2 protons, would be twice as heavy as a hydrogen atom. However, it was found that it was 4 times as heavy compared to hydrogen. Why is this?
    1. AThe presence of dark energy.
    2. BThe existence of an uncharged subatomic particle known as a neutron.
    3. CThe mass of electrons was actually incorrect, it is the same as a proton.
    4. DThe helium sample in experiments may have been dirty, altering the results.
  5. 5Round numbers to the nearest whole number. (eg 1.5 -> 2)

    Magnesium has an atomic number of [blank_start]12[blank_end]. This means it has [blank_start]12[blank_end] protons. Furthermore, Magnesium is known to have an atomic mass of [blank_start]24[blank_end]. Therefore, it must have [blank_start]12[blank_end] neutrons. In order for Magnesium to have an ionic charge of +1, it must have [blank_start]11[blank_end] electrons orbiting.    Image for question 5
    1. A12
    2. B12
    3. C12
    4. D24
    5. E11
  6. 6An isotope is: (may be more than one correct)
    1. AAn atom
    2. BDepends on number of electrons
    3. CDepends on number of protons
    4. DDepends on number of neutrons
    5. EMakes atoms safe
    6. FMakes atoms unstable
    7. GCan cause radioactivity
  7. 7Uranium has an atomic number of [blank_start]92[blank_end]. It has [blank_start]92[blank_end] protons, but has [blank_start]146[blank_end] neutrons. Image for question 7
    1. A92
    2. B92
    3. C146

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Description
The second quiz for unit 1/2 chemistry. This is to gain an understanding on how to use the periodic table based on the structure of the atom.
Language
English
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