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"Ca" is the chemical symbol for which element? Calcium Argon Helium Carbon "N" is the chemical symbol for which element? Carbon Nylon Nitrogen Helium Salt contains the elements sodium and chlorine. The chemical symbol for these elements is: Fe and Ti Sm and Cn So and Ce Na and Cl Which of the following is not an element: titanium sulfur plastic hydrogen Which of the following is NOT an example of a chemical reaction. breaking into pieces temperature change creating light gas is produced Which of the following IS an example of a chemical reaction? change in appearance change in texture change in shape change in state |