1 ______cannot be separated by physical or chemical means.
2 Elements are abbreviated with
______,which consist of one or two _______.
3 Elements are organized on the
_______according to their_______.
4 Two or more elements chemically combined make up a______.
5 __________is an example of an element and________ is an example of a compound.
6 Elements and compounds are called_______substances because they have a unique set of chemical and physical_______.
2 Elements are abbreviated with
______,which consist of one or two _______.
3 Elements are organized on the
_______according to their_______.
4 Two or more elements chemically combined make up a______.
5 __________is an example of an element and________ is an example of a compound.
6 Elements and compounds are called_______substances because they have a unique set of chemical and physical_______.
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Answer:
1.element
2.symbol, letters
3.periodic table, atomic number
4.compound
5.carbon, carbon dioxide
6.pure, properties