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Structure of At...

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  • Question 1
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     Thomson's atomic model suggested that the atom is:

  • Question 2
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    Which property of atom was explained in Thomson's model?

  • Question 3
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    How many orbitals are there in the second principal energy level, n = 2, of an atom?

  • Question 4
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    Which of the following has a mass of 1 and an atomic number of 1?

  • Question 5
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    X is defined by the number of protons. What is X?

  • Question 6
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    Which element has a mass number of 20 and contains 11 neutrons?

  • Question 7
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    What happens when both of the orbitals in a molecule are in phase, either both positive or both negative and the electrons in the bonds are at their lowest energy level?

  • Question 8
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    Which of the following contains up to 1010 electrons.

  • Question 9
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    Which one contains up to ten electrons from the following?

  • Question 10
    1 / -0

    According to Bohr's model of the atom, atoms emit or absorb radiation only at certain wavelengths.Identify why is it so

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