Chemical element number 1.
The first hint to crack the puzzle «Chemical element number 1.» is:
It is a word which contains 8 letters
The second hint to crack the puzzle «Chemical element number 1.» is:
It starts with letter H
H
The third hint to crack the puzzle «Chemical element number 1.» is:
It ends with letter N
H
n
Looking for extra hints for the puzzle «Chemical element number 1.»:
Click on any empty tile to reveal a letter
H
n
The answer for the puzzle «Chemical element number 1.» is:
H
y
d
r
o
g
e
n