Investigation 1 and 2 Substances and Elements Review

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This is the basic bulding material of all matter. A substance that cannot be broken down into a simpler substance.

An interaction during which starting substances change into new (different) substances.

Which of the following is a common name?

How many elements are in the substance CO2?

Which element is not found in the following substance? NaCl

Which element is not found in the following substance? Na2CO3

Which of the following is a chemical name?

Which of the following is not an indicator of a chemical reaction?