E1L1E1M3E1N1T1
9 points
ELEMENT is validvalid
a substance that cannot be separated into simpler substances by chemical means [n ELEMENTS]
a substance that cannot be separated into simpler substances by chemical means [n -S]
a substance that cannot be separated into simpler substances by chemical means [n ELEMENTS]
a substance that cannot be separated into simpler substances by chemical means [n -S]