Scientific Maths

What's the next in the series?

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




Similar Riddles

I guess 76.8% of readers will like this riddle.

What's the least number of people should read this post?

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Who Am I ?

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In a supermarket, there is an intelligent glass pane before a refrigerating unit. This glass pane allows cherries and apples through it but does not allow grapes and Orange to pass through it.

Can you identify the rule that the glass pane is following?

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The following sentence is false. The preceding sentence is true.
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John is the son of Jacob.
So,
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How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

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What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

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If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

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I am five letter word that is under you.
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Who am I?

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Why did Navjot Singh Sidhu put the new January calendar in the freezer

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Rubik’s Cube

The inventor of the Rubik’s Cube didn’t realize he’d built a puzzle until he scrambled it the first time and tried to restore it.