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Atoms Test - 2...

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  • Question 1
    1 / -0

    If atomic number of an element is 20, then how many electrons are present in that element?

  • Question 2
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    If atomic number and mass number of an element are 11 and 23, respectively, what would be the number of neutrons present in it?

  • Question 3
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    What is the maximum number of electrons present in N - shell?

  • Question 4
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    How many valence electrons are present in silicon?

  • Question 5
    1 / -0

    What is the atomic number of an element that possesses 20 electrons?

  • Question 6
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    Which of the following statements contradicts Dalton`s atomic theory?

  • Question 7
    1 / -0

    Who proposed nuclear model of atoms?

  • Question 8
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    Which of the following statements is not true with regard to matter?

  • Question 9
    1 / -0

    Atomic number of an element is 11 and mass number of that element is 23. How many protons are present in the atom?

  • Question 10
    1 / -0

    Which of the following elements has the maximum atomicity?

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