Answer:
Sodium is more reactive than lithium because as we move down a group it is easy to lose electrons as the number of shells increases and nuclear charge decreases. As valence electrons take part in chemical reaction and its easier to lose electrons as we move down a group chemical reactivity increases. Therefore, sodium is more reactive than lithium.
Explanation:
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Answer: Atomic radius of sodium is greater than lithim,which allows sodium to loose electron easily than lithium. electropositivity and mettalic character increases as we move along the group or top to bottom . this is the reason why sodium is more reactive than lithium .
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