WVU CHEM 115 FINAL EXAM 100%
ACCURATE
Chlorate - ANSWER ClO₃⁻
Chlorite - ANSWER ClO₂⁻
Phosphate - ANSWER PO₄³⁻
Phosphite - ANSWER PO₃³⁻
Carbonate - ANSWER CO₃²⁻
Nitrate - ANSWER NO₃⁻
Nitrite - ANSWER NO₂⁻
Permanganate - ANSWER MnO₄⁻
Perchlorate - ANSWER ClO₄⁻
Ammonium - ANSWER NH₄⁺
Ammonia - ANSWER NH₃
Periodic Trends: Atomic Radii - ANSWER Remember:
Zeff = Zactual-Electron Shielding
Greater Zeff --> Smaller Atomic Radii
Periodic Trends: Electronegativity - ANSWER Exception to trend --> Noble Gases
(EN=0)
Periodic Trends: Ionization Energy - ANSWER
Periodic Trends: Electron Affinity - ANSWER
What are the 7 Strong Acids? - ANSWER HCl, HBr, HI, HNO₃, H₂SO₄, HClO₄, HClO₃
What are the Strong Bases? - ANSWER Group 1A Metal Hydroxides, Ca(OH)₂,
Sr(OH)₂, Ba(OH)₂
What is a strong electrolyte? - ANSWER Strong Acids, Strong Bases & Soluble Ionic
Compounds
, What is a non-electrolyte? - ANSWER Organic Compounds, Weak Acids, Weak Bases
What is the sign for an endothermic reaction and where does heat go? - ANSWER
Positive Sign (+), Heat goes out of system
Deci - ANSWER 1.0x10⁻¹
Centi - ANSWER 1.0x10⁻²
Milli - ANSWER 1.0x10⁻³
Micro - ANSWER 1.0x10⁻⁶
Nano - ANSWER 1.0x10⁻⁹
Pico - ANSWER 1.0x10⁻¹²
Celsius to Fahrenheit conversion - ANSWER C= (F-32)/1.8
Heat Equation - ANSWER q=mc∆T
Density - ANSWER Density=mass/volume
1cm³ equals what - ANSWER 1ml
How do you calculate number of protons, neutrons & electrons for an atom? - ANSWER
Electrons --> Equal to Protons in a NEUTRAL ATOM
Protons --> Atomic Number
Neutrons --> Atomic Mass - Atomic Number
Covalent bonds are formed between.. - ANSWER two nonmetals
Ionic bonds are formed between.. - ANSWER one nonmetal and one metal
Sulfate - ANSWER SO₄⁻
Sulfite - ANSWER SO₃⁻
Thiosulfate - ANSWER S₂O₃²⁻
Peroxide - ANSWER O₂²⁻
What atoms form diatoms? - ANSWER H, N, O, F, Cl, I, Br
ACCURATE
Chlorate - ANSWER ClO₃⁻
Chlorite - ANSWER ClO₂⁻
Phosphate - ANSWER PO₄³⁻
Phosphite - ANSWER PO₃³⁻
Carbonate - ANSWER CO₃²⁻
Nitrate - ANSWER NO₃⁻
Nitrite - ANSWER NO₂⁻
Permanganate - ANSWER MnO₄⁻
Perchlorate - ANSWER ClO₄⁻
Ammonium - ANSWER NH₄⁺
Ammonia - ANSWER NH₃
Periodic Trends: Atomic Radii - ANSWER Remember:
Zeff = Zactual-Electron Shielding
Greater Zeff --> Smaller Atomic Radii
Periodic Trends: Electronegativity - ANSWER Exception to trend --> Noble Gases
(EN=0)
Periodic Trends: Ionization Energy - ANSWER
Periodic Trends: Electron Affinity - ANSWER
What are the 7 Strong Acids? - ANSWER HCl, HBr, HI, HNO₃, H₂SO₄, HClO₄, HClO₃
What are the Strong Bases? - ANSWER Group 1A Metal Hydroxides, Ca(OH)₂,
Sr(OH)₂, Ba(OH)₂
What is a strong electrolyte? - ANSWER Strong Acids, Strong Bases & Soluble Ionic
Compounds
, What is a non-electrolyte? - ANSWER Organic Compounds, Weak Acids, Weak Bases
What is the sign for an endothermic reaction and where does heat go? - ANSWER
Positive Sign (+), Heat goes out of system
Deci - ANSWER 1.0x10⁻¹
Centi - ANSWER 1.0x10⁻²
Milli - ANSWER 1.0x10⁻³
Micro - ANSWER 1.0x10⁻⁶
Nano - ANSWER 1.0x10⁻⁹
Pico - ANSWER 1.0x10⁻¹²
Celsius to Fahrenheit conversion - ANSWER C= (F-32)/1.8
Heat Equation - ANSWER q=mc∆T
Density - ANSWER Density=mass/volume
1cm³ equals what - ANSWER 1ml
How do you calculate number of protons, neutrons & electrons for an atom? - ANSWER
Electrons --> Equal to Protons in a NEUTRAL ATOM
Protons --> Atomic Number
Neutrons --> Atomic Mass - Atomic Number
Covalent bonds are formed between.. - ANSWER two nonmetals
Ionic bonds are formed between.. - ANSWER one nonmetal and one metal
Sulfate - ANSWER SO₄⁻
Sulfite - ANSWER SO₃⁻
Thiosulfate - ANSWER S₂O₃²⁻
Peroxide - ANSWER O₂²⁻
What atoms form diatoms? - ANSWER H, N, O, F, Cl, I, Br
