A researcher uses several procedures to separate a rock sample into different chemicals. A mass of 50 grams of one chemical is produced. If this chemical cannot be separated into other chemicals, then it is BEST described as
Select one:
a. a compound.
b. a mixture.
c. a solution.
d. an element.

If a chemical can no longer be separated into other chemicals, it can be said that it is d. an element. This is because elements are the purest substances out there. Rocks are mixtures that are made of inerts and various minerals which are compounds. Compounds are then composed of elements.

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A researcher uses several procedures to separate a rock sample into different chemicals. A mass of 50 grams of one chemical is produced. If this chemical cannot be separated into other chemicals, then it is BEST described as Select one: a. a compound. b. a mixture. c. a solution. d. an element.

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A researcher uses several procedures to separate a rock sample into different chemicals. A mass of 50 grams of one chemical is produced. If this chemical cannot be separated into other chemicals, then it is BEST described as
Select one:
a. a compound.
b. a mixture.
c. a solution.
d. an element.