When the son of the water returns to the parent, it dies. What is it?
Many have heard it, but nobody has ever seen it. It will not speak back until spoken to. What is it?
What did the scientist say when he found 2 atoms of helium?
What is black when you buy it, red when you use it and gray when you throw it away?
What element is derived from a Norse god?
What can eat a lot of iron without getting sick?
What did the angry electron say when it was repelled?
Which is heavier, a pound of bricks or a pound of feathers?
What is the center of gravity?
Did you hear the one about a chemist who was reading a book about helium?
What element is a girl’s future best friend?
What do you do with a dead chemist?