Which element is not found in the following substance? Na2CO3

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

A form of matter that is different from every other form of matter. (A specific combination of elements)

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

How many elements are in the substance CO2?

Which of the following substances contains three substances?

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

Which element is not found in the following substance? NaCl

Which of the following is a chemical formula?

Which of the following is a common name?

Which of the following is a chemical name?

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