Leaning task 3.
atomic number. Elements. Letters.
Compound. Carbon. Mixture.
Symbol. Pure. Carbon dioxide.
________________________________
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 chemical combined make up a _____.
5. _____ is an example of an element and _____ is a example of a compound.
6. Elements and compounds are called _____ substances because they have a unique set of chemicals and physical ______.
atomic number. Elements. Letters.
Compound. Carbon. Mixture.
Symbol. Pure. Carbon dioxide.
________________________________
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 chemical combined make up a _____.
5. _____ is an example of an element and _____ is a example of a compound.
6. Elements and compounds are called _____ substances because they have a unique set of chemicals and physical ______.
Answers & Comments
Answer:
1. Elements
2.symbol, letters
3.periodic table, atomic number
4.compound
5.carbon,carbon dioxide
6.pure,properties