chem.docx - Each of the following elements is capable of...

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Each of the following elements is capable of forming an ion in chemical reactions. By referring to the periodic table, predict the charge of the most stable ion of each. (Type your answer using the format +1 and -2.) (a) Na (b) O (c) Rb (d) Ba (e) N 2. –/6 points Notes Question: BLB11 2.P.074. Question part Points 1 2 3 4 5 6 –/1 –/1 –/1 –/1 –/1 –/1 Total –/6 Assume that you encounter the following phrases in your reading. What is the chemical formula for each substance mentioned? (Separate substances in a list with a ",".) (a) Sodium hydrogen carbonate is used as a deodorant. chem Pad Help o
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o NaHCO 3 (b) Calcium hypochlorite is used in some bleaching solutions. chem Pad Help o
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o Ca(ClO) 2 (c) Hydrogen cyanide is a very poisonous gas. chem Pad Help o o
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HCN (d) Magnesium hydroxide is used as a cathartic. chem Pad Help o o
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Mg(OH) 2 (e) Tin(II) fluoride has been used as an additive in toothpastes. chem Pad Help o o
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SnF 2 (f) When cadmium sulfide is treated with sulfuric acid, fumes of hydrogen sulfide are given off. chem Pad Help o o
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CdS, H 2 SO 4 , H 2 S 3. –/5 points Notes Question: BLB11 2.P.056. Question part Points 1 2 3 4 5 –/1 –/1 –/1 –/1 –/1 Total –/5 Predict the chemical formulas of the compound formed by the following pairs of ions. (a) Cu + and S 2- chem Pad Help o
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o Cu 2 S (b) Hg 2 2+ and CO 3 2- chem Pad Help o
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o Hg 2 CO 3 (c) Ca 2+ and PO 4 3- chem Pad Help o
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o Ca 3 (PO 4 ) 2 (d) Mg 2+ and Br‾ chem Pad Help o
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o MgBr 2 (e) K + and OH ‾ chem Pad Help o o
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KOH 4. –/5 points Notes Question: BLB11 2.P.099. Question part
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chem.docx - Each of the following elements is capable of...

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