Which statement is an accurate comparison of the properties of compounds in the properties of the elements that compounds contain? a. they represent opposite characteristics. b. they are always identical. c. they are similar. d. they are different.

the compounds are formed from different atoms of elements. The elements are the purest form of a matter. They are made up of single kind of atoms.

When elements combine they form compounds. The elements combined completely lose their identity and forms a compound with very different properties. They are chemically as well as physically different from the elements used.

Example: water is formed from hydrogen and oxygen. and the properties of water altogether different form properties of both the elements hydrogen and oxygen (which are gas at room temperature)

So answer is : different

petroleum? coal maybe?

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