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Name_________________________ Watch the Chemical Reactions EdPuzzle and take down the following notes: Reactions Notes/WS -Define Reaction: -Define Reactant: -Define Product: Explain what the following symbols mean: + → (s) (l) (g) (aq) The video will mention the term “diatomic” What are diatomics? There are 7 elements that exist naturally as a pair as long as it is not already in a compound. They are: H2 N2 O2 F2 Cl2 Br2 I2 In a nutshell, if you see hydrogen, nitrogen, oxygen, fluorine, chlorine, bromine or iodine in a reaction by themself (meaning not part of a compound), it will exist with the subscript 2 after it. Before moving on to the next page, look at the following equation. Label the reactants and label the products. CaCO3(aq) + 2 HCl(aq) 🡪 CaCl2(s) + H2CO3(aq) What does the + sign mean? What does the arrow sign mean? What does the symbol (aq) mean? What does the symbol (s) mean? Name_________________________ Reactions Practice WS Use your knowledge from the video to write the formulas and phases for the following substances. Be sure to properly indicate their phase after the formula. Before you begin, list the 7 diatomic molecules ________________________________________ Ex. solid sulfur ______S(s)____________ Ex. carbon dioxide gas _______CO2(g)___________ solid cadmium chloride _______________ Rubidium nitrate solution ______________ liquid bromine _________________________ solid Iron III sulfide ___________________ solid sulfur hexafluoride ______________ aqueous ammonium chloride ________________ gaseous dinitrogen pentoxide ____________ carbon monoxide gas __________________ liquid mercury _______________________ zinc chloride solution __________________ solid silver chloride ____________________ solid copper II carbonate _______________ gaseous chlorine _____________________ solid Iron II oxide ____________________ solid silicon monocarbide ________________ aqueous potassium chlorate ______________ nitrogen gas _________________________ water vapor _______________________ dinitrogen trioxide gas _________________ solid gold metal _______________________ molten (melted) silver __________________ solid copper I sulfide ___________________ barium iodide solution ___________________ solid chromium II oxide ________________ solid iodine crystals ____________________ solid beryllium sulfide _________________ zinc phosphate solution __________________ solid sodium oxide ______________