Question

compare the size of cation and anion in ionic crystals and give the reason.​

Answer 1

Answer:

Thus, there are more number of protons (positively charged particles) than electrons (negatively charged particles) in the cation. The electrons are strongly attracted by the Nucleus and pulled inwards. As a result, the size decreases. On the other hand, the anion is larger because it is formed by gain of electrons.

Explanation:

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Answer 2

Explanation:

Cation always loses electron giving itself a positive charge. So the positive charge means that the number of protons in the nuclues is greater than the number of electrons in the shells, giving ncleus an extra strength to attract the electrons tightly and thus decreasing its size.

But an anion gains electron attaining a negative charge. This negative charge gives an extra strength to the inner most electrons to shield themselves from the attraction of nucleus and thus anion is bigger in size than cation.

Or

In cation, due to loss of electrons the shells decrease and so does its size And in anion i would say vice versa.