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A Group VIIA atom combines with a Group IA atom. The bond formed between them will most likely be:
A)covalent
B)ionic
C)50% covalent, 50% ionic
D)metallic

Respuesta :

Answer: The correct answer is option B.

Explanation:

  • Ionic bond is formed when there is complete transfer of electrons from one element to another.
  • Covalent bond is formed by the sharing of electrons between two elements.
  • Metallic bond is formed when two metals combine together.

Electronic Configuration of Group VII-A : [tex]ns^2np^5[/tex]

This group require 1 electron to attain stable electronic configuration.

Electronic configuration of Group I-A : [tex]ns^1[/tex]

This group will loose 1 electron to attain stable electronic configuration.

So, there will be complete transfer of electron from Group VII-A to Group I-A and hence, will form ionic bond between them.

Hence, the correct option is B.

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