Carbohydrates, fats, proteins: These organic molecules ALL have this element in common. This element can form multiple bonds, and it bonds with other elements as well as with itself. This element is:
A) Calcium.
B) Carbon.
C) Helium.
D) Hydrogen.

Question

Carbohydrates, fats, proteins: These organic molecules ALL have this element in common. This element can form multiple bonds, and it bonds with other elements as well as with itself. This element is:
A) Calcium.	
B) Carbon.	
C) Helium.	
D) Hydrogen.

loinducoeur · Answer

Do you have an idea of what the answer could be? (I do know the answer, I just want to make sure that you do too! as well as understanding where the answer came from)

anonymous · Answer

I think it is A) Calcium.

loinducoeur · Answer

I can see why you think that, but it's not Calcium. It's actually B) Carbon! If you look at all the chemical structures of carbohydrates, fats and proteins, they all contain carbon and hydrogen, but carbon is the one that has multiple bonds with all the other molecules.