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Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.
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What is the lowest number energy level where a d sublevel is found
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Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy
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Chemistry, 22.06.2019 17:10
In which block of the periodic table is uranium (u) found? s blockd blockp blockf block
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Does a strong acid have a greater or lesser tendency to lose its proton than a weak acid? (b) Does t...
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