(a)
Interpretation:
The name of two elements having similar chemical properties with iodine needs to be determined.
Concept introduction:
The modern periodic table is constructed taking the basis of atomic number of elements. Arranging elements in increasing order of
Answer to Problem 5SSC
Elements having similar chemical properties with iodine are fluorine and chlorine.
Explanation of Solution
The element Iodine is present in group 17 of the periodic table. The elements present in any group possess similar chemical and physical properties. So, to find the name of two elements whose chemical properties are similar to iodine, other elements of the group 17 should be known. Some other elements of group 17 are fluorine, chlorine, bromine etc. So, fluorine, chlorine, iodine all has similar chemical properties of Iodine.
(b)
Interpretation:
The name of two elements having similar chemical properties with Barium needs to be determined.
Concept introduction:
The modern periodic table is constructed taking the basis of atomic number of elements. Arranging elements in increasing order of atomic numbers causes periodicity of properties. The reason for the periodicity is due to repetition of same electronic configuration of valence shell after a certain definite gap of atomic numbers, such as, 2, 8, 8, 18, 18 and 32.
(b)
Answer to Problem 5SSC
Two elements having similar chemical properties with Barium are magnesium and calcium
Explanation of Solution
Barium is the element present in s-block of the periodic table. It belongs to group II, that is, alkaline earth metals. Elements present in a group possess similar chemical and chemical properties. So, to find the name of two elements whose chemical properties are similar to Barium, other elements of the group II should be known. Some other elements of group II are Berrylium, Magnesium, calcium etc. So, all the elements of group II possess similar chemical properties.
(c)
Interpretation:
The name of two elements having similar chemical properties with iron needs to be determined.
Concept introduction:
The modern periodic table is constructed taking the basis of atomic number of elements. Arranging elements in increasing order of atomic numbers causes periodicity of properties. The reason for the periodicity is due to repetition of same electronic configuration of valence shell after a certain definite gap of atomic numbers, such as, 2, 8, 8, 18, 18 and 32.
(c)
Answer to Problem 5SSC
Two elements having similar chemical properties with iron are ruthenium and osmium
Explanation of Solution
Iron is the element present in d-block of the periodic table. It belongs to group 8 and 4th period. Elements present in a group possess similar chemical and chemical properties. So, to find the name of two elements whose chemical properties are similar to iron, other elements of the group 8 should be known. Some other elements of group 8 are Ruthenium, osmium and hassnium. So, all the elements of group 8 possess similar chemical properties.
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