What's the next in the series?

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

What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

What has 13 hearts but no other organs?

Which is the smallest number that you can write using all the vowels exactly once?

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

I add 5 to 9 and get 2. The answer is correct, so what am I?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

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

John and his team plan to rob a safe. They got just one chance to break the code else the local police will be informed. Below are clues:
A) Exactly one number is perfectly placed: 9 8 1
B) Everything is incorrect: 9 2 4
C) Two numbers are part of the code of the safe but are wrongly placed: 0 9 3
D) One number is part of the code of the safe but is wrongly placed: 1 4 7
E) One number is part of the code of the safe but is wrongly placed: 7 8 3