Barium oxide.
The first hint to crack the puzzle «Barium oxide.» is:
It is a word which contains 3 letters
The second hint to crack the puzzle «Barium oxide.» is:
It starts with letter B
B
The third hint to crack the puzzle «Barium oxide.» is:
It ends with letter O
B
o
Looking for extra hints for the puzzle «Barium oxide.»:
Click on any empty tile to reveal a letter
B
o
The answer for the puzzle «Barium oxide.» is:
B
a
o