What's the next in the series?

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

A man is sitting in a bar when a rich man sits next to him. He turns to the rich man and says, “Did you know I know almost every song that has ever existed?”

The rich man laughs. The man then says, “I bet you all the money you have in your wallet that I can sing a genuine song with a lady’s name of your choice in it. The rich man laughs again and says, “OK, how about my daughter’s name, Jamie Armstrong-Miller?” Minutes later, the man collects his cash and the rich man goes home cashless. What song did the man sing?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

Bopanna was working on a murder case when he received a message about the location of the murder weapon.
The message was encrypted as below.

"deb mitciv eht edisni neddih si nopaew redrum ehT"

Tell me the location of the murder weapon.

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

Can you count the number of triangles in the given picture?

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

What's the only room from which no one can enter or leave

What is the next shape from answers A, B, C, and D figure?