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Diagonal Relationship

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Diagonal Relationship

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Diagonal Relationship

A diagonal relationship is said to exist between certain pairs of diagonally adjacent element in the second and third periods of the periodic table.

Thus,

the similarity in properties of elements present diagonally is called as Diagonal Relationship.

Diagonal Relationship

A diagonal relationship is said to exist between certain pairs of diagonally adjacent element in the second and third periods of the periodic table.

Thus,

the similarity in properties of elements present diagonally is called as Diagonal Relationship.

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Diagonal Relationship

  1. 1. DIAGONAL RELATIONSHIP
  2. 2. Diagonal Relationship Synopsis:- 1.Introduction 2.Definition 3.Cause of Diagonal Relationship 4.Example of Lithium and Magnesium 5.Example of Beryllium and Aluminium 6.Reference
  3. 3. 1. Introduction It has been observed that some elements of second period show similarities with the elements of the third period present diagonally to each other,though belonging to different groups. This is called Diagonal Relationship.
  4. 4. 2. Definition:- A diagonal relationship is said to exist between certain pairs of diagonally adjacent element in the second and third periods of the periodic table. Thus, the similarity in properties of elements present diagonally is called Diagonal Relationship.
  5. 5. • The cause of Diagonal Relationship is the similarity in properties such as electronegativity, ionisation enthalpy, atomic size, etc between the diagonal elements. • For example On moving from left to right across a period,the electronegativity increases and while moving down a group electronegativity decreases. • Therefore on moving diagonally,the two opposing tendencies almost cancel out and the electronegativity value remains almost same as we move diagonally. • Thus, the diagonal pairs have many similar properties. 3. Cause of Diagonal Relationship
  6. 6. 4. Example of Lithium and Magnesium
  7. 7. 5. Example of Beryllium and Aluminium
  8. 8. QUIZ Series…
  9. 9. 6. Reference • Navbodh Unified chemistry (Dr K.N. Bapat) • Modern abc+ of chemistry (Dr. S.P. Jauhar)
  10. 10. Thankyou

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