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Study Resources (Chemistry)

True/False Questions 1) Straws work because sucking creates a pressure difference. 2) Gases are a collection of particles in constant, unpredictable motion. 3) Gas particles act independently of each other. 4) Gas particles lose energy every time they collide with each other or the container wall. 5) There is a large distance between gas particles.
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31) The correct electron configuration for fluorine is: 1s22s22p5. 32) Transition metal elements always contain at least one "d" block electron. 33) The Pauli exclusion principle states that orbitals may hold no more than two electrons of identical spins. 34) The orbital diagram for fluorine shows 1 unpaired electron in a p orbital. 35).
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11) Solubility is formally defined as the amount of a compound that can be dissolved in water. 12) A saturated solution holds the maximum amount of solute under the solution conditions. 13) A supersaturated solution is unstable and crystallization usually occurs. 14) Salt water is an example of a strong electrolyte solution. 15) A.
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21) The correct Lewis structure for CO2 shows that the carbon atom has two sets of lone pair electrons. 22) The sulfate ion contains 28 valence electrons. 23) The ammonium ion contains 10 valence electrons. 24) Boron forms compounds that violate the octet rule. 25) Resonance structures are the best representation we can draw.
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Multiple Choice Questions 1) Which of the following statements about Lewis structures is FALSE? A) An octet is when an atom has 8 valence electrons. B) A duet is a stable electron configuration for helium. C) An ionic bond occurs when electrons are transferred. D) A covalent bond occurs when electrons are shared. E) All of.
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31) What is the electron geometry if you have 4 electron groups around the center atom? A) linear B) trigonal planar C) tetrahedral D) trigonal bipyramidal E) not enough information 32) What is the electron geometry if you have 2 electron groups around the center atom? A) linear B) trigonal planar C) tetrahedral D) trigonal bipyramidal E) not enough information 33) What.
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21) What is the correct Lewis structure for CN?? A) [C-N]? B) [:-:]? C) [=:]? D) [: C≡ N :]? E) none of the above 22) The correct Lewis structure for BF3 would have exactly: A) 1 double bond. B) 2 double bonds. C) 1 triple bond. D) no double bonds. E) none of the above 23) Which symbol should be used.
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21) Which of the following statements about the quantum-mechanical model is FALSE? A) Orbitals are a probability map of finding electrons. B) Electrons do not behave as particles. C) Orbitals are specific paths electrons follow. D) Electron paths cannot be described exactly. E) All of the above are correct statements. 22) The principal quantum number (n): A).
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11) Increasing the intermolecular forces of a liquid will do which of the following? A) increase the viscosity B) decrease the evaporation rate C) increase the surface tension D) decrease the vapor pressure E) all of the above 12) You can increase the vapor pressure of a liquid by: A) increasing temperature. B) increasing the viscosity. C) establishing dynamic.
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11) Which form of electromagnetic radiation has the shortest wavelength? A) Radio Waves B) Microwaves C) X-rays D) Gamma Rays E) Infrared Radiation 12) Which form of electromagnetic radiation has the longest wavelength? A) Radio Waves B) Microwaves C) X-rays D) Gamma Rays E) Infrared Radiation 13) Which form of electromagnetic radiation has the highest frequency? A) Radio Waves B) Microwaves C) X-rays D) Gamma Rays E).
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Multiple Choice Questions 1) Which of the following statements about pressure is FALSE? A) Pressure is caused by gas molecules colliding with surfaces. B) The atmosphere has a pressure as the components of air collide with surfaces. C) After creating a pressure difference, the atmospheric pressure can push liquid up a straw. D) A deep.
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41) Which statement below is false? A) A hydrogen bond is the strongest of the intermolecular forces. B) A hydrogen atom must be bonded directly to fluorine, oxygen, or nitrogen to exhibit hydrogen bonding. C) The large electronegativity difference between hydrogen and an F, O, or N atom is essential for the formation.
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21) Sugar solutions conduct electricity because the dissolved particles are molecules. 22) Vitamin C is a water-soluble vitamin, so it is likely that this vitamin is polar. 23) A solution that is 35 percent by mass NaCl contains 35 grams of NaCl dissolved in 100 grams of water. 24) A solution that is.
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21) The energy of an electron orbit is quantized. 22) The energy of each Bohr orbit increases with increasing value of "n", but levels become more closely spaced as "n" increases. 23) Electrons behave like particles and we can describe their exact paths. 24) An orbital is a probability map showing exactly where.
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True/False Questions 1) Intermolecular forces are the attractive forces between atoms within a compound. 2) The shapes of protein molecules are determined by intermolecular forces. 3) Intermolecular forces determine if a substance is a solid, liquid or gas at room temperature. 4) Gases typically have high densities in comparison to solids. 5) Liquids can be.
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11) Viscosity increases with increased intermolecular force because the molecules attract each other strongly which hinders the flow. 12) Evaporation is decreased by increasing the intermolecular forces. 13) Compounds with very high vapor pressures must have very minimal intermolecular forces. 14) The rate of evaporation will increase if you pour a liquid out.
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51) Which intermolecular force found in CCl2H2 is the strongest? A) dispersion forces B) dipole-dipole forces C) hydrogen bonding D) X-forces E) none of the above 52) What types of forces exist between I2 molecules? A) dispersion forces B) dipole-dipole forces C) hydrogen bonding D) ion-dipole forces E) none of the above 53) Dry ice (solid CO2) is which type of solid? A).
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51) Which molecule listed below has a nonpolar covalent bond? A) NaCl B) H2O C) H2 D) all of the compounds E) none of the compounds 52) Which molecule listed below has a polar covalent bond? A) NaCl B) H2O C) H2 D) all of the compounds E) none of the compounds 53) Which molecule listed below is a polar molecule? A) NH3 B).
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True/False Questions 1) The tragedy at Lake Nyos in Cameroon, West Africa was due to the sudden release of excessive amounts of nitrogen dissolved in the lake water. 2) The tragedy at Lake Nyos in Cameroon, West Africa, was due to the sudden release of excessive amounts of carbon monoxide dissolved in.
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Multiple Choice Questions 1) Intermolecular forces are responsible for: A) the taste sensations. B) the shape of protein molecules. C) the function of DNA. D) the existence of liquids and solids. E) all of the above 2) Which state of matter has a high density and an indefinite shape? A) solids B) liquids C) gases D) both solids and liquids E) none.
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Multiple Choice Questions 1) Which of the following statements about light is FALSE? 2) Which of the statements about light is FALSE? A) Light travels through space at a speed of 3.00 × 108 m/s. B) Light travels much faster than sound. C) A packet of light energy is called a photon. D) A characteristic feature.
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31) Molality is calculated by dividing grams of solute by kilograms of solution. 32) Colligative properties are independent of the amount of solute in solution. 33) Adding a nonvolatile solute to a liquid will cause boiling point depression and freezing point elevation. 34) A sample of salt water will freeze at a higher.
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41) What is the electron configuration for Ga? A) 1s22s22p63s23p63d104s24p6 B) 1s22s22p63s23p64s23d104p1 C) 1s22s22p63s23p53d104s24p1 D) 1s22s22p63s23p64s24d104p1 E) none of the above 42) What is the electron configuration for P? A) [Ar]3s23p64s23d104p3 B) [Ne]1s21p62s22p3 C) [Ne]3s23p3 D) [Ar]3s23p3 E) none of the above 43) How many core electrons are in a chlorine atom? A) 1 B) 17 C) 10 D) 7 E) none of the above 44) How many.
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41) What is the molecular geometry of SiH4? A) bent B) linear C) tetrahedral D) trigonal pyramidal E) not enough information 42) What is the molecular geometry of CCl4? A) bent B) linear C) tetrahedral D) trigonal pyramidal E) not enough information 43) What is the molecular geometry of SCl2? A) bent B) linear C) tetrahedral D) trigonal pyramidal E) not enough information 44) What is the molecular.
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True/False Questions 1) Bonding theories are used to predict how atoms bond together to form molecules. 2) Drugs to fight HIV have been developed using bonding theory models. 3) Li : is the proper Lewis structure (dot structure) for lithium. 4) A chemical bond is classified as a covalent bond if it involves the.
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21) The solubility of gases in water: A) is independent of temperature. B) increases with increasing temperature. C) decreases with increasing temperature. D) gases are not soluble in water. E) none of the above 22) The solubility of a gas in a liquid can always be increased by: A)  increasing the temperature of the solvent. B) decreasing the.
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