Can you solve the below tricky visual equation?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

On my way to St. Ives I saw a man with 7 wives. Each wife had 7 sacks. Each sack had 7 cats. Each cat had 7 kittens. Kittens, cats, sacks, wives. How many were going to St. Ives?

The centre of the third figure is empty. What digit should fit inside?

A Man gave one of his sons 10 cents and another son was given 15 cents. What time is it?
Hint: Figure out the relation between time and number, is not so easy..:)

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

A Car is crossing a bridge 2 miles long. The bridge can only hold 10000 lbs, which is the exact weight of the car. The Car makes it half way across the bridge and stops. A bird lands on the car. Does the bridge collapse? Explain.

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

Look at the picture and find out which square is not linked with any of the other squares.