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Question

When sodium and chlorine atom react with each other then:


Your Answer
A
Energy is absorbed and covalent bond is formed
Correct Answer
B
Energy is released and ionic bond is formed
Your Answer
C
Energy is released and a covalent bond is formed
Your Answer
D
Energy is absorbed and ionic bond is formed

Solution

The correct option is B Energy is released and ionic bond is formed
When a sodium atom transfers an electron to a chlorine atom, forming a sodium cation Na+ and a chloride anion Cl, both ions have complete valence shells, and are energetically more stable. The reaction is extremely exothermic, producing a bright yellow light and a great amount of heat energy.

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