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Ionic bond is formed between atoms of el...

Ionic bond is formed between atoms of elements with electronegativity differences…………

A

gt 1.7

B

lt 1.7

C

gt 1.9

D

lt 1.9

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When is ionic bond formed between atoms?

Elements with high electronegativity are generally

Ionic bond is also called

The bond formed between two atoms having the same electro negative value

Statement (P) : Ionic bond is formed between atoms of two dissimilar elements. Statement (Q): Covalent bond is formed between atoms of two similar or dissimilar elements.

The concept of electronegativity (EN) is mainly to discuss the nature of chemical bonding, EN of an atom is the measure of its capacity to attract the shared electron pair towards itself. Linus Pauling compiled the values of EN that are most widely used, and that are displayed for a few elements in Table - 1. These values are based on bond energy differences between atoms bonded to themselves (e.g. A-A) and to other atoms (e.g. A-B), and an arbitary value of 4 to fluorine (most electronegative element) Mulliken regarded electronegativity as the average value of ionization energy and electron affinity of an atom EN= 1/2 (IE+EA). Both IE and EA are expressed in electron volts. In the Table-2, values of IE and EA for several elements are listed Table-3 shows the values of dipole moments and bond energies for simple molecules. Based upon the electronegativity difference of bonded atoms, which of the following about the chemical bond?

Reference element for Pauling's electronegativity is

The most electronegative element is

BEYOND PUBLICATION-CHEMICAL BONDING-EXERCISE
  1. The bond angle is 120^@ among……….hybrid orbitals.

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  2. What is the crystal structure of NaCl ?

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  3. Ionic bond is formed between atoms of elements with electronegativity ...

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  4. The atomic number of an elemtn Z is 9. Which of the following statemen...

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  5. The electronic configuration of Selinium is 2, 8 , 18, 6. Which of us ...

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  6. Which of the following statements about the element X whose atomic num...

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  7. Which of the following statements about an element A whose atomic numb...

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  8. Which of the following statements about an element whose atomic number...

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  9. Which of the following statements is corect about the element which co...

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  10. Valency expresses… total electrons in valence shell of an atom. at...

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  11. Which of the following compounds are covalent ? A) H2 b) Cao c) CHCl3 ...

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  12. Factors effecting the formation of the ionic bond

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  13. Which of the following elements ar electropositive ?a) Sodium b) Potas...

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  14. The following are some statements about the characteristics of covalen...

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  15. What are true about Lewis dot structures of molecules ? Each bond is...

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  16. Sodium atoms and sodium ions

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  17. When sodium reacts with chlorine.

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  18. Metal atoms tend to form

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  19. If the element can lose an electron readily, they are said to be

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  20. Which of the following is the most reactive ?

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