Activation energy is defined as the least quantity of extra energy needed by a reacting molecule to get transformed into product.
Activation energy is nearly pertained to its rate.
According to question,
Sodium is might be a generous elements in the earth’s crust layer. It is also a extremely reactive metal, so it doesn’t sway in every direction for very long as free atoms. Since it has a single electron in its outer most shell, which it contributes willingly, Na relate with other reactive elements for the formations of compounds like NaCl and NaOH etc.
Sodium doesn't required any heating to react.
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