Doubt from periodic properties

Give detailed explaination.

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Thanks a lot sir..even I answered the same but they have given negatives:(

@Shaquib sir share some beutiful exception in size , ionization etc which mainly r not told but have significance...

See there exceptions like there is diagonal reaction between Li ,mg, Be ,Na
And when we move left to right along the period atomic sizes first decreases then remain constant and then increase you can check on Google also it will be from like Na to Zn (the order of size is similar as mention above)
One thing I want to tell you when you told to find radius of isoelectronic species please decide on the basis of proton more no of proton lesser the radius .

For ionization always remember consecutive ionization is always greater than IE1 AND IE2.