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Use the periodic table to identify the number of core electrons and the number of valence electrons in each case below. Iron (Fe): [Ar]4s23d6
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In a heat of an engine, if 700 j enters the system, and the piston does 400 j of work what is the final internal (thermal) energy of the system if the initial energy is 1,500 j
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What prefix multiplier is appropriate for reporting a measurement of 5.57 ×10−5 m?
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Ineed this awnser fast select the correct answer. this chemical equation represents the burning of methane, but the equation is incomplete. what is the missing coefficient in both the reactants and the products? ch4 + → co2 + a. 0 b. 1c. 2d. 3 e. 4
Answers: 3
Use the periodic table to identify the number of core electrons and the number of valence electrons...
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