208-Chem-1-MCU-Review PDF

T. リエス Direction: Read the question carefully and select the answer that best matches the question. 01 Multiple Choice Which of the following is an example of an ion? A O2 C C B Na+ D H2O...

T. リエス Direction: Read the question carefully and select the answer that best matches the question. 01 Multiple Choice Which of the following is an example of an ion? A O2 C C B Na+ D H2O T. リエス Direction: Read the question carefully and select the answer that best matches the question. 02 Multiple Choice What is the charge of an electron? A It depends C Positive B Neutral D Negative T. リエス Direction: Read the question carefully and select the answer that best matches the question. 03 Multiple Choice How do isotopes of an element differ? A Chemical properties C Atomic number B Number of electrons D Mass number T. リエス Direction: Read the question carefully and select the answer that best matches the question. 04 Multiple Choice What is the primary use of deuterium (hydrogen-2) isotope? A Carbon dating C Nuclear reactors B Food irradiation D Medical imaging T. リエス Direction: Identify the term or concept described in each statement. 05 Identification How many neutrons does carbon-14 have? 8 T. リエス Direction: Identify the term or concept described in each statement. 06 Identification What is the mass number of an atom with 11 protons and 12 neutrons? 23 T. リエス Direction: Read the question carefully and select the answer that best matches the question. 07 Multiple Choice What is the primary use of iodine-131 isotope in medicine? A Bone density scans C Thyroid disorders B Blood flow studies D Brain imaging T. リエス Direction: Identify the term or concept described in each statement. 08 Identification An atom with a charge of -2 has 18 electrons and 16 neutrons. How many protons does it have? 16 T. リエス Direction: Identify the term or concept described in each statement. 09 Identification What does the atomic number (Z) represent? Number of protons T. リエス Direction: Read the question carefully and select the answer that best matches the question. 10 Multiple Choice If an atom has an atomic number of 15 and a mass number of 31, how many neutrons does it have? A 46 C 16 B 31 D 15 T. リエス Direction: Read the question carefully and select the answer that best matches the question. 11 Multiple Choice How is the mass of an electron described relative to other subatomic particles? A Equal to a neutron C Heavier than a proton B Lighter than a proton D All of the above T. リエス Direction: Identify the term or concept described in each statement. 01 Identification Which scientist is credited with isolating a gas by heating mercury oxide? Joseph Priestley T. リエス Direction: Read the question carefully and select the answer that best matches the question. 02 Multiple Choice What did Joseph Priestley call the gas he isolated? A Dephlogisticated air C Phlogiston B Mercury oxide D Oxygen T. リエス Direction: Read the question carefully and select the answer that best matches the question. 03 Multiple Choice What does the law of multiple proportions describe? A Gas volume relationships C Atomic structure B Ratios of elements in compounds D Conservation of mass T. リエス Direction: Identify the term or concept described in each statement. 04 Identification Who is considered the "Father of Modern Chemistry"? Antoine Lavoisier T. リエス Direction: Read the question carefully and select the answer that best matches the question. 05 Multiple Choice Which law explains why elements combine in fixed ratios to form compounds? A Law of Conservation of Mass C Law of Definite Proportions B Law of Multiple Proportions D Gay-Lussac's Law T. リエス Direction: Identify the term or concept described in each statement. 06 Identification Who proposed the atomic theory, including the Law of Multiple Proportions? John Dalton T. リエス Direction: Read the question carefully and select the answer that best matches the question. 07 Multiple Choice The oil drop experiment was used to measure: A The mass of an atom C The number of neutrons B The size of the nucleus D The charge of an electron T. リエス Direction: Identify the term or concept described in each statement. 08 Identification Which model first proposed that electrons move in circular orbits? Bohr's model / Planetary Model T. リエス Direction: Identify the term or concept described in each statement. 09 Identification The planetary model of the atom was proposed by: Niels Bohr T. リエス Direction: Read the question carefully and select the answer that best matches the question. 10 Multiple Choice What was the main contribution of the quantum mechanical model? A Introduction of energy levels C Discovery of the nucleus B Explanation of electron behavior D Discovery of neutrons T. リエス Direction: Identify the term or concept described in each statement. 11 Identification Who discovered the neutron? James Chadwick T. リエス Direction: Read the question carefully and select the answer that best matches the question. 01 Multiple Choice What is its chemical formula if a compound consists of 2 hydrogen atoms and 1 oxygen atom? A O2H2 C H2O B H2O2 D HO T. リエス Direction: Read the question carefully and select the answer that best matches the question. 02 Multiple Choice Which suffix is used for the lower oxidation state in the classical naming method? A -ite C -ous B -ate D -ic T. リエス Direction: Identify the term or concept described in each statement. 03 Identification What is the correct name for H2SO4? Sulfuric acid T. リエス Direction: Identify the term or concept described in each statement. 04 Identification Which naming system uses Roman numerals to indicate the charge of a metal ion? Stock method T. リエス Direction: Identify the term or concept described in each statement. 05 Identification What is the correct formula for iron (III) chloride? FeCl3 T. リエス Direction: Identify the term or concept described in each statement. 06 Identification Which of the following is the correct name for Mg(OH)2? Magnesium hydroxide T. リエス Direction: Read the question carefully and select the answer that best matches the question. 07 Multiple Choice What is the correct formula for copper (II) sulfate pentahydrate? A CuSO4 C CuSO4·5H2O B CuSO4·5OH2 D Cu2SO4·5H2O T. リエス Direction: Identify the term or concept described in each statement. 08 Identification What is the correct name for the polyatomic ion NO3-? Nitrate T. リエス Direction: Identify the term or concept described in each statement. 01 Identification What are the two fundamental kinds of chemical bonds that hold atoms in a compound? Ionic and covalent T. リエス Direction: Identify the term or concept described in each statement. 02 Identification What type of compounds do ionic bonds give rise to? Ionic compounds T. リエス Direction: Identify the term or concept described in each statement. 03 Identification Which type of bond involves a sharing of electrons between atoms? Covalent bond T. リエス Direction: Read the question carefully and select the answer that best matches the question. 04 Multiple Choice In a skeletal formula, what do lines typically represent? A Bonds C Electrons B Atoms D Molecules T. リエス Direction: Identify the term or concept described in each statement. 05 Identification Which model type best represents the relative space occupied by atoms? Space-filling model