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umka21 [38]
3 years ago
5

Explain why oxygen is a fairly reactive element while neon is not

Chemistry
1 answer:
Blababa [14]3 years ago
8 0

Answer:

Due to presence of unpaired electrons in outermost shell of oxygen, oxygen is a fairly reactive element while neon is not.

Explanation:

Lets look at the electronic configuration of both the elements.

Oxygen, a chalcogen, has EC as =1s^{2}2s^{2}2p^{4}

while, for Neon, a noble gas, EC is = 1s^{2}2s^{2}2p^{6}

In neon, the outermost orbital p is completely filled while in oxygen it is partially filled, with 2 unpaired electrons.

<em>Thus the completely filled orbitals give extra stability to neon and thus less reactivity. In other case, oxygen has 2 unpaired electrons, unstable and has exchange energy, making it more reactive.</em>

Thus, oxygen is a fairly reactive element while neon is not..

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