Cr₂o₇²⁻ dichromate - Study guides, Class notes & Summaries

NH₄⁺ Ammonium ion (cation) H₃O⁺ Hydronium ion OH⁻ hydroxide ion CN⁻ cyanide ion ClO⁻ hypochlorite ion ClO₂⁻ chlorite ion ClO₃⁻ chlorate ion ClO₄⁻ perchlorate ion C₂H₃O₂⁻ or CH₃COO⁻ acetate ion MnO₄⁻ permanganate ion NO₂⁻ nitrite ion NO₃⁻ nitrate ion HSO₄⁻ bisulfate or hydrogen sulfate ion HCO₃⁻ bicarbonate or hydrogen carbonate ion ...

C₂H₃O₂⁻ acetate ClO⁻ hypochlorite ClO₂⁻ chlorite ClO₃⁻ chlorate ClO₄⁻ perchlorate CN⁻ cyanide CO₃²⁻ carbonate Cr₂O₇²⁻ dichromate CrO₄²⁻ chromate H₂PO₄⁻ dihydrogen phosphate H₃O⁺ hydronium HCO₃⁻ bicarbonate HPO₄²⁻ hydrogen phosphate HSO₄⁻ bisulfate MnO₄⁻ permanginate NH₄⁺ ammonium NO₂⁻ nitrite ...

NCEA Level 2 Organic Chemistry Questions and Answers 2023 Alkanes A homologous series of saturated hydrocarbons made of C-H and C-C single bonds Alkenes A homologous series of unsaturated hydrocarbons containing one C=C double bond Alkynes A homologous series of unsaturated hydrocarbons with one C to C triple bond Haloalkane An alkane that has had an H substituted for a halogen (eg Br or Cl) Amine An alkane where an H has been replaced with an NH₂group ...

Ammonium Correct Answer NH4⁺ Acetate Correct Answer C₂H₃O₂⁻ Arsenate Correct Answer aso₃³⁻ Borate Correct Answer BO₃³⁻ Bromate Correct Answer bro₃⁻ Bromite Correct Answer bro₂⁻ Carbonate Correct Answer CO₃²⁻ Chromate Correct Answer cro₄²⁻ Chlorate Correct Answer clo₃⁻ Chlorite Correct Answer clo₂⁻ Cyanide Correct Answer CN⁻ Dichromate Correct Answer Cr₂O₇²⁻ Dihydrogen phosphate Correct Answer H₂PO₄⁻ ...

POLYATOMIC IONS (questions correct answered) 2022perchlorate (ClO₄)⁻ Nitrate (NO₃)⁻ Sulfate (SO₄)²⁻ Phosphate (PO₄)³⁻ Chlorate (ClO₃)⁻ Nitrite (NO₂)⁻ Sulfite (SO₃)²⁻ Phosphite (PO₃)³⁻ Chlorite (ClO₂)⁻ Hypochlorite (ClO)⁻ Acetate (C₂H₃O₂)⁻ Carbonate (CO₃)²⁻ Chromate (CrO₄)²⁻ Permanganate (MnO₄)⁻ Bicarbonate (HCO₃)⁻ ...

CHAPTER 3: Chemical Foundations: Elements, Atoms, and Ions 1. What is the most abundant element on the Earth (including the crust, oceans, and atmosphere)? A. silicon B. oxygen C. hydrogen D. iron E. carbon ANS: B PTS: 1 TOP: Test: Chapter Test NOT: worldofchem_2013 2. What is the most abundant element found in the human body? A. oxygen B. water C. hydrogen D. calcium E. carbon ANS: A PTS: 1 TOP: Test: Chapter Test NOT: worldofchem_2013 3. The symb...

Chapter 3—Chemical Equations and Reaction Stoichiometry MULTIPLE CHOICE 1. Which of the following is not a consequence of the Law of Conservation of Matter? a. It provides a basis for balancing chemical equations. b. It means that there will be no observable change in the quantity of matter during a chemical reaction. c. As a result, there will be the same number of moles on both the reactant and the product side of a balanced equation. d. It can be stated as "matter is neither creat...

ACS Gen Chem 1 Exam Questions and Answers | 100% Pass The molecule ::O=C=:N-H has been detected in gas clouds between stars. The predicted C-N-H bond angle is about 90 109 120 180 - ️️ Correct-120 When the carbon-carbon bonds in ethane (C2H6), ethane (C2H4), benzene (C6H6), are arranged in order of increasing length (shortest bonds first), what is the correct order? C2H6 < C2H4 < C6H6 C2H4 < C2H6 < C6H6 C6H6 < C2H4 < C2H6 C2H4 < C6H6 < C2H6 - ️️ Corre...

C₂H₃O₂⁻️️acetate NH₄⁺️️ammonium CO₃²⁻️️carbonate ClO₃⁻️️chlorate ClO₂⁻️️chlorite CrO₄²⁻️️chromate CN⁻️️cyanide Cr₂O₇²⁻️️dichromate H₂PO₄⁻️️dihydrogen phosphate HCO₃⁻️️hydrogen carbonate (or bicarbonate) HPO₄²⁻️️monohydrogen phosphate HSO₄⁻️️hydrogen sulfate (or bisulfate)