Multiple choice

Which of the following factors does not favour the formation of covalent bonds?

  1. High nuclear charge and small atomic size

  2. High electron affinity

  3. Equal electron affinity of combining atoms

  4. High ionisation energy
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Electron affinity is the amount of energy released, when an isolated gaseous atom accepts an electron to form a negative ion. Therefore, generally, the elements having higher electron affinity favour the formation of an ionic bond. 

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