1: An element cannot be broken down into simpler substances.
2: Water (H₂O) is a compound made up of hydrogen and oxygen.
3: All elements are made up of molecules.
4: Iron (Fe) is an example of a non-metal element.
5: Elements are represented by one- or two-letter symbols.
Answer1
Answer2
Answer3
Answer4
Answer5
X
X
X
X
X