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An Imaginary Element Xq Consists of Two Isotopes Having Masses

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An imaginary element Xq consists of two isotopes having masses of 100.0 amu and 102.0 amu.A sample of Xq was found to contain 20.0% of the 100Xq isotope and 80.0% of the 102Xq.Calculate the atomic weight of Xq.


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A type of retirement plan in which an employer, employee, or both make contributions on a regular basis, but the future benefit received by the employee depends on the plan's investment performance.

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Compensation for employees for time not worked due to vacation, as mandated by organizational policies or labor laws.

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A retirement plan that specifies the amount of payment an employee will receive upon retirement, based on factors like years of service and salary history.

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An expense that represents the estimated cost of warranty claims on products sold that have not yet been claimed.

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