The element of one short period of the Periodic Table are given below in order from left to right:
Li Be B C O F Ne
(i) To which period do these elements belong?
(ii) One element of this period is missing. Which is the missing element and where should it be placed?
(iii) Which one of the elements in this period shows the property of catenation?
(iv) Place the three elements fluorine, beryllium and nitrogen in the order of increasing electronegativity.
(v) Which one of the above elements belongs to the halogen series?
The element of one short period of the Periodic Table are given below in order from left to right:
Li Be B C O F Ne
(i) To which period do these elements belong?
(ii) One element of this period is missing. Which is the missing element and where should it be placed?
(iii) Which one of the elements in this period shows the property of catenation?
(iv) Place the three elements fluorine, beryllium and nitrogen in the order of increasing electronegativity.
(v) Which one of the above elements belongs to the halogen series?
(i) The given elements belong to the second period.
(ii) Nitrogen, symbol "N" is missing from the list of elements. It must be placed after C and before O.
(iii) Carbon exhibits the property of catenation.
(iv) As per increasing electronegativity, the correct order of of fluorine, beryllium and nitrogen will be:
Beryllium < Nitrogen < Fluorine
(v) Fluorine belongs to the halogen series.
(i) The given elements belong to the second period.
(ii) Nitrogen, symbol "N" is missing from the list of elements. It must be placed after C and before O.
(iii) Carbon exhibits the property of catenation.
(iv) As per increasing electronegativity, the correct order of of fluorine, beryllium and nitrogen will be:
Beryllium < Nitrogen < Fluorine
(v) Fluorine belongs to the halogen series.
