School of Elements

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10 Questions - Developed by: AMIN BUHARI - Developed on: - 2.012 taken

Science and Technology Chapter No. 1

  • 1
    Elements showing properties of both metals and nonmetals are ______-
  • 2
    The arrangement of elements in a group of three is known as _______________
  • 3
    The elements eka-aluminium in Mendeleev's periodic table is known as ________________ in modern periodic table.
  • 4
    Group 1 contains
  • 5
    The valency of all halogens is
  • 6
    Elements with one incomplete outermost shell are called _________ elements.
  • 7
    The only inert gas element with it's duplet state is ____
  • 8
    The valency of any element is determined by the number of _____________
  • 9
    Lanthanides and actinides are part of _______ block
  • 10
    _____________ is an element belonging to lanthanides.

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