Which element do all compounds contain?

Answer 1

Different compounds have different combintions of elements.

However, chemistry can be divided into three divisions.

#1 Organic ; Chemistry of CARBON containing compounds.

#2 Inorganic ; The chemistry of all the other compounds NOT containing carbon.

#3 Physical ; The calculations and equations, and physical states of substances.

Answer 2

Bit of a silly question.

There is no one specific element that allcompounds contain.

Carbon dioxide is a compound containing only carbon and oxygen, and none of the other dozens of known elements. Common salt contains only sodium and chlorine, neither of which is contained in carbon dioxide.

Any two examples of compounds with no elements in common iare enough to show that there is no element that must be contained by all compounds.

Yawn.

Dennis R.