What's the next in the series?

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

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

Wednesday, Steve and Pam go to a restaurant to eat lunch. After eating lunch, they pay the bill. But Steve and Pam do not pay the bill. So…who does?

Whats the next number in the below number sequence pattern.

In the following picture, E is going to slide the object down and as per the terrain and the physics, the round object is going to travel all the way till the end. Now, can you analyze who all people will die when it happens?

Find the last number in the series below:

voN luJ yaM raM ---

John asked Jack, "The time right now is 7 pm. Can you tell me what will be the time 23, 999, 995 hours later ?"

While Bella does not know the answer, do you ?

I am sure no one can have two things for dinner. what are they?

Below, you can see some coding:
January = 1017
February = 628
March = 1335
April = 145
May = 1353
June = 1064
July = 1074
August = 186

Now deciphering the way it has been coded, can you find out how September will be coded?