Urgent In a single replacement reaction, why do atoms of a pure element substitute in ion in the compound it is combined with?

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Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?

Compare the equilibrium constants for the systems shown in the table. which favors products the most? which favors products the least? rank these systems in order from most to least in terms of favoring products rather than reactants. d > b > a > c c > a > b > d b > c > d > a a > d > c > b

Which other elements contain the same number of outer electrons as sodium