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Match the substances with its classification from the list below. A) compound B) element C) homogeneous mixture D) heterogeneous mixture 11) Lemonade (without pulp) 12) Fully rusted nail 13) Distilled water 14) Table salt 15) Intravenous liquid 16) Diamond 17) Chlorine gas 18) Air in a smog-free environment 19) Oil-vinegar salad dressing 20) Breakfast cereal .
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Match each temperature with the equivalent different scale temperature from the list below.   A) -17.7 °C B) -40 °F C) -273 °C D) 32 °F E) 98.6 °F F) 100 °C G) 277 K H) 68 °F I) 0 °C   61) 20 °C 62) 273 K 63) 40 °F 64) 0 °F 65) 0 °C 66) 310 K 67) -40 °C 68) 212 °F 69) 0 K Match.
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2.3   Short Answer Questions 1) How many significant digits are there in the number 740.2? 2) How many significant digits are there in the number 0.0038040? 3) What is the symbol and name borrowed from Greek which signifies one thousand? 4) Solve the equation 4x + 3y = 246 for the x-variable, and report.
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2.1   Multiple-Choice Questions 1) Which is an exact number? A) a number of coins B) the diameter of a coin C) the radius of a coin D) the mass of a coin 2) Which piece of glassware provides the least precise volume measurement of a liquid? A) beaker B) graduated cylinder C) buret D) pipette 3) How many significant figures are.
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21) 40 °C is equivalent to 40 °F. 22) There has never been recorded a negative Kelvin temperature. 23) The Kelvin temperature is not always higher than the equivalent Celsius temperature. 24) The Fahrenheit temperature is always numerically higher than the equivalent Celsius temperature. 25) The correct answer for the product (2.150 × 12.2).
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Match each unit provided with a measurement from the list below.   A) heat B) temperature C) mass D) volume E) distance F) density   13) Joule 14) mg 15) ft 16) K 17) km 18) °F 19) cal 20) qt 21) g/mL 22) mL 23) lb 24) gallon 25) in 26) °C 27) g 28) Cal 29) g/L 30) m3 Match an exponential from the list below with each prefix.   A) 10+9 B) 10-12 C) 10-6 D) 10+6 E) 10-9 F) 10+3 G).
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Match the scientist with his contribution to the chemistry field from the list below.   A) Proved that matter is always conserved B) Demonstrated the existence of the neutron C) Believed that the matter could be infinitely subdivided D) Rationalized that matter is neither created nor destroyed E) Discovered the electron F) Discovered (with Thomson) the proton G).
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Classify each of the elements with a family name from the list below.   A) Transition element B) Actinide C) Noble Gas D) Halogen E) Alkali metal F) Chalcogen G) Alkaline earth metal   34) Sulfur 35) Chromium 36) Potassium 37) Calcium 38) Tellurium 39) Iodine 40) Xenon 41) Uranium 42) Lithium 43) Oxygen 44) Silver 45) Bromine 46) Strontium 47) Fluorine 48) Krypton 49) Titanium .
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4.1   Multiple-Choice Questions 1) What is the main difference between "classical physics" and "quantum physics"? A) Quantum physics requires the speed of light to be a constant value. B) Classical physics requires that only certain, allowed values for energy be used. C) Quantum physics requires that only certain, allowed values for energy be used. D).
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3.4   Matching Questions Match every element with its symbol from the list below.   A) Ni B) Po C) Ag D) Rn E) K F) Ra G) Au H) N I) Si J) Na K) Pa L) Mn M) S N) Mg O) Cu P) Co Q) P 1) Sulfur 2) Potassium 3) Manganese 4) Magnesium 5) Radium 6) Radon 7) Nitrogen 8) Nickel 9) Polonium 10) Protactinium .
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Match the event with the type of process involved from the list below.   A) physical process B) chemical process   32) Mixing salt and water 33) Iron rusting 34) Paper burning 35) Mixing ammonia and bleach 36) Mothballs subliming 37) Cooking of an egg 38) Molding iron 39) Diluting orange juice 40) Digesting a sandwich 41) Separating iron filings from sand with a.
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4.3   Short Answer Questions 1) Write the complete electronic ground state configuration for tellurium (Te). Make sure the terms in your answer are listed in order of increasing energy. 2) Which element is the more reactive, sodium (Na) or potassium (K)? 3) Write the complete electronic ground state configuration of the Se2- ion..
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2.4   Matching Questions Match the correct number of significant digits from the list below with each of the numbers provided.   A) 2 B) 6 C) 7 D) 5 E) 1 F) 4 G) 3   1) 245 × 10-3 2) 0.00201 3) 34.3004 4) 0.40001 5) 4.0 6) 0.7 7) 0.02 8) 5.2406 9) 8.901070 10) 0.00213 11) 5000 12) 5000. .
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Match the following species with the corresponding electronic configuration from the list below.   A) 1s22s22p63s23p6 B) 1s22s22p63s23p1 C) 1s22s22p63s2 D) 1s22s22p63s23p5 E) 1s22s22p63s23p4 F) 1s22s22p6 G) 1s22s22p63s23p3 H) 1s22s22p63s23p2   16) Mg2+ 17) Ca2+ 18) Al 19) P 20) Si4+ 21) Si4- 22) C15+ 23) S 24) S+4 25) S6+ 26) S2- 27) N3- 28) Si 29) C1 .
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11) The total number of electrons that can be accommodated in 3d is ________. A) 5 B) 2 C) 6 D) 10 12) Which of the following cations will have the electronic configuration 1s22s22p63s23p6 ? A) Co2+ B) Ca2+ C) Sc1+ D) Cl1+ 13) Which of the following anions will have the electronic configuration 1s22s22p63s23p6 ? A) K1- B) Cl1- C) S2- D) Br1- 14).
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31) Both the energy and the wavelength of electromagnetic radiation are related by the constants c, the speed of light, and Planck's constant, h. 32) Blue visible light is of lower energy than red visible light. 33) Blue visible light is of a higher frequency than red visible light. 34) Microwave is radiation.
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3.2   True/False Questions 1) Group IIA of the periodic table contains elements that are gaseous non-metals. 2) Group VIIIA of the periodic table contains elements that are gaseous non-metals. 3) The conservation of mass law states that matter can neither be created nor destroyed during a chemical reaction. 4) Atoms combine to form molecules.
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21) Halogens have large electron affinity values. 22) H+ has one electron. 23) The wavelength is the distance measured between two crests, but not between two troughs. 24) Carbon can assume both +4 and -4 charges. 25) The speed of light is about 186,000 miles per minute. 26) Shells get larger as the principal quantum.
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Match the element with the symbol from the list below.   A) Pu B) Po C) P D) K E) Pt F) Pd G) Pa   45) Potassium 46) Polonium 47) Phosphorus 48) Plutonium 49) Platinum 50) Palladium 51) Protactinium Match the element with the symbol from the list below.   A) N B) No C) Ne D) Nd E) Ni   52) Nitrogen 53) Neodymium 54) Nobelium 55) Neon 56) Nickel .
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3.1   Multiple-Choice Questions 1) Ions are ________. A) atoms that have gained electrons B) atoms or groups of atoms with a net electrical charge that is not equal to zero C) atoms that have lost electrons D) all of the above 2) Which of the following is the correct symbolic representation of the lead-209 isotope? A) B).
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11) The atomic radius can be calculated by x-ray diffraction. 12) Modern scientists accept the notion that electrons are found in circular orbits around a central, positively charged nucleus. 13) Modern atomic theory places electrons into complex mathematical probability functions called "orbitals." 14) Should an oxygen atom (O) gain two electrons, it would.
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21) Which species has the following electronic configuration: 1s22s22p63s23p3 ? A) Al B) P C) S D) Si 22) Which of the following does not have the neon electron configuration? A) S4+ B) Mg2+ C) O2- D) Al3+ 23) The scientist credited with developing the current mathematical model of the atom is ________. A) Bohr B) Schrodinger C) Planck D) Rutherford 24) Which of the.
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4.2   True/False Questions 1) Bohr's atomic theory places an atom's electrons in discrete-energy circular paths around a central, positively charged nucleus. 2) The observed line spectra of electrically excited gas samples tend to support the notion that electron energies are quantized. 3) The only possible way for an excited state electron to return.
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21) Earth's gravitational force is incapable of keeping the atmospheric helium from escaping into space. 22) Noble gases occupy Group VII in the periodic table. 23) Mercury is the only metal that is a liquid at room temperature. 24) Iodine is the only non-metal that is a solid at room temperature. 25) The most.
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