What's the next in the series?

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

In a secret society, a buried chamber can be accessed only via a secret password. The password is seven characters long and comprises of just letters and numbers.

You find a code that can help you in cracking the password. The code says "You force heaven to be empty".

Can you deduce the password from that?

I am something people love or hate. I change peoples appearances and thoughts. If a person takes care of them self I will go up even higher. To some people I will fool them. To others I am a mystery. Some people might want to try and hide me but I will show. No matter how hard people try I will Never go down. What am I?

What is the Surname of Barbie Doll?

Solve the rebus riddle in the picture below.

Can you identify if it's a murder or a suicide ?

What has many teeth, but cannot bite?

Can you make four (4) nines (9) equal 100?

What is the largest number you can write with just 3 digits?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C