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Chemistry Test ...

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  • Question 1
    4 / -1

    The elements with atomic numbers 35, 53 and 85 are _________.

  • Question 2
    4 / -1

    Which of the following elements has the highest atomic number?

  • Question 3
    4 / -1

    Generally, the valency of electropositive elements is ________.

  • Question 4
    4 / -1

    ________ elements have the largest atoms.

  • Question 5
    4 / -1

    The chemical formula of lime water is:

  • Question 6
    4 / -1

    To which block do the elements with atomic number 56 belong?

  • Question 7
    4 / -1

    Who coined the word ‘atom’?

  • Question 8
    4 / -1

    If an element A atom has 18 protons, it follows that A has 18 electrons. So, the number of electrons in an A+ will be -

  • Question 9
    4 / -1

    If the Effective Atomic Number (EAN) of [A(NH3)6]Cl3 is 33, the atomic number of element (A) will be:

  • Question 10
    4 / -1

    Which of the following is a property of an isobar?

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