Use what you have just learned about chemical formulas to identify the following as element (atomic or molecular), compound or mixture. Explain your reasoning and draw a sample of these substances containing 5 particles of that particular material. a. nitrogen gas b. fluorine gas c. nitrogen trifluoride (NF;) gas d. CO, & H,O c. carbon dioxide gas and Neon gas f. Helium gas What do fluorine gas and nitrogen gas have in common? What do neon and helium have in common? Find the molecules in options a-f in the above examples? Find the compounds in options a-f in the above examples? Are there any mixtures in option a-f? Explain your answer.

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