Ten grams of mercury(II) oxide react to produce 9.3 g of mercury and
oxygen. What is the mass o...
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Read the given expression. x = number of protons − number of core electrons which of the following explains the identity of x and its trends across a period? x is the effective nuclear charge, and it remains constant across a period. x is the screening constant, and it remains constant across a period. x is the effective nuclear charge, and it increases across a period. x is the screening constant, and it increases across a period.
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If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?
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What is a property of a double replacement reaction
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