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Atomic Structur...

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  • Question 1
    1 / -0

    Which of the following properties is not exhibited by cathode rays?

  • Question 2
    1 / -0

    If gas in a discharge tube is changed, what will happen to the mass of cathode ray particles?

  • Question 3
    1 / -0

    What is the charge on oxygen?

  • Question 4
    1 / -0

    What will be the mass number of an atom if the number of electrons, protons and neutrons is 8, 8 and 9, respectively?

  • Question 5
    1 / -0

    The mass of __________ is 9.107 X 10–31 kg

  • Question 6
    1 / -0

    Cathode rays possess kinetic energy due to their _________.

  • Question 7
    1 / -0

    Find the atomic number and mass number of an element for which the numbers of protons, neutrons and electrons are 10, 12 and 10, respectively.

  • Question 8
    1 / -0

    Anode rays are so called because:
    (i)         they are produced at anode
    (ii)        they get deflected towards anode
    (iii)       they are positively charged

  • Question 9
    1 / -0

    An atom is electrically neutral because the number of electrons present in it is

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