Two chemists go into a restaurant. The first one says "I think I'll have an H2O." The second one says "I think I'll have an H2O too" - and he died.

 1047

0  

An instructor in chemical warfare asked soldiers in his class: "Anyone knows the formula for water?" "Sure. That's easy," said one man. "What is it?" "H, I, J, K, L, M, N, O." "What, what?" reasked the instructor. "H to O," explained the chemistry expert.

 1038

1  

Q: What is the chemical formula for "banana"? A: BaNa2

 1053

0  

Money has recently been discovered to be a not-yet-identified super heavy element. The proposed name is: Un-obtainium.

 2676

1  

Two hydrogen atoms walk into a bar. One says, "I think I've lost an electron." The other says, "Are you sure?" The first says, "Yes, I'm positive..."

 1023

0