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4. The periodic table is organized into groups and periods of elements. The point
characteristics of a certain group of elements are listed below. Which of
these elements is in this group?*
Characteristics of a Group of Elements
β’ Is shiny
β’ Is solid at room temperature
β’ Has atoms with two valence electrons
O A Lithium
O B. Strontium
O C. Aluminum
O D. Silicon
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Answers: 3
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Consider the reaction: n2(g) + o2(g) β 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?
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4. The periodic table is organized into groups and periods of elements. The point
characteristics o...
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