Riddles

Index
Translations
Pronunciation
Images
Computers
Geography
Languages

0 / 60 seg.

I am commonly abbreviated to H. What am I?

HYDR_G_N

Question: 1 / 7876 - Correct: 0 - Streak: ( )☆( )☆( )☆( )☆( )☆

Text Audio Text & audio

Free text Multiple option

Previous question