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Multiple Choice
Which statement best describes the difference between an element and a compound in the classification of matter?
A
An element can be separated into simpler substances by physical methods, while a compound cannot be separated by any means.
B
An element is a pure substance made of only one type of atom, while a compound is a pure substance made of two or more different elements chemically bonded in a fixed ratio.
C
An element contains molecules, while a compound contains atoms.
D
An element is always a mixture of isotopes, while a compound is always a mixture of elements.