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piuysdfhmbcxzsdfghioiyresxcxzsdvbhjuy

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Question Which scientist organized the periodic table based on atomic mass and other elemental properties?(1 point) Responses Chadwick Chadwick Bohr Bohr Mendeleev Mendeleev Moseley Moseley Skip to navigation
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Sort the statements below as being true or false. [Don't over think.](5 points) True False Atoms in ground state have equal numbers of protons and electrons. Many atoms can gain or lose electrons to form ions, or atoms w...
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Match the following elements with the correct location on the periodic table. (Not all elements can be placed!)(4 points) Put responses in the correct input to answer the question. Select a response, navigate to the desi...
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You're selecting pictures for a class presentation on your new favorite element, oxygen, O. You're told this is a correct model of an atom of this element. Select all that are true. (4 points) Responses The total mass of...
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Using the image seen here, identify any statements that could be true. Select all that apply. (4 points) Responses The heat produced by the fire physically changes the surrounding air. The heat produced by the fire physi...
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Check out this image of the element bismuth. It is atomic number 83 on the periodic table. Sort the following characteristics into intensive or extensive properties of bismuth. (4 points) Extensive property Intensive pro...
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An atom is(1 point) Responses smaller than an electron. smaller than an electron. the smallest unit of matter that maintains its chemical identify. the smallest unit of matter that maintains its chemical identify. the sm...
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Your lab partner states that 2, 1, 2, and 1 are the best coefficients to balance the following reaction that you're using in your lab activity. Take a moment to consider the lab partner's thinking and select the best exp...
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When solving stoichiometry problems, you are often required to "invert" the molar mass of at least one of the compounds that you're working with. Select the two best descriptions of the term "invert" as it is used in our...
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If you were asked to actually calculate the requested value from the problem above, which mole ratio would best suit your calculations?(1 point) Responses 2 mol Zn1 mol C 2 mol Zn1 mol C 1 mol C2 mol ZnO 1 mol C2 mol ZnO...
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Rust occurs on iron when the metal is exposed to oxygen in the air in a process called oxidation. The chemical name for rust is iron (III) oxide. The formula is Fe2O3 . Calculate the percentage composition of iron(III) o...
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Using the image seen here, select the best answer for the sample reaction. Some of the information is provided to get you started with things you might need for the calculation. . (1 point) Responses 117.50 g 117.50 g 10...
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Avogadro's number is 6.022 x 1023 atoms or particles of any substance. If you are told you have 8.324 x 1023 atoms of zinc, how many moles of zinc do you have? You many use the Desmos calculator linked here if needed. Pl...
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Which two of the choices below MUST be applied in order to work with the law of conservation of mass? (Select two.)(2 points) Responses All compounds must have a coefficient greater than 1 in front of them before conserv...
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Please use the Interactive Periodic Table linked here to locate and identify the average atomic masses for the element below. Recall from unit 3, the mass number is the average of ALL of the element's isotopes and it acc...
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Rust occurs on iron when the metal is exposed to oxygen in the air in a process called oxidation. The chemical name for rust is iron (III) oxide. The formula is Fe2O3 . Calculate the percentage composition of iron(III) o...
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Avogadro's number is 6.022 x 1023 atoms or particles of any substance. If you are told you have 2.1077 x 1024 atoms of zinc, how many moles of zinc do you have? You many use the Desmos calculator linked here if needed. P...
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Which two of the choices below MUST be applied in order to work with the law of conservation of mass? (Select two.)(2 points) Responses The experimenter should change subscripts until the equation is balanced. The experi...
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identify the average atomic masses for the element below. Recall from unit 3, the mass number is the average of ALL of the element's isotopes and it accounts for the protons and neutrons found in the atom's nucleus. It i...
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What is the definition of gerrymandering?(1 point) Responses letting people vote more than once letting people vote more than once rigging an election rigging an election creating U.S. House districts that favor one poli...
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What is the definition of political socialization?(1 point) Responses the process that every individual undergoes to form their political beliefs the process that every individual undergoes to form their political belief...
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What are three factors that impact voter turnout during elections?(1 point) Responses polling place locations polling place locations voter ID requirements voter ID requirements letting immigrants vote letting immigrants...
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What does horse race mean in terms of media coverage of elections?(1 point) Responses fake news fake news a group of horses running around a track a group of horses running around a track negative campaign ads put out by...
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In this quote from Theodore Roosevelt's New Nationalism speech, which political value is he endorsing? “In every wise struggle for human betterment one of the main objects, and often the only object, has been to achieve...
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What are four forms bias can take?(1 point) Responses misrepresentation of facts misrepresentation of facts making stuff up making stuff up misleading presentation misleading presentation omission omission word choice wo...
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