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2 years ago

Which element is placed in the same period as ruthenium but has a higher atomic number than it? bismuth osmium silver zirconium

Chemistry

2 answers:

Nat2105 [25]2 years ago

3 0

The element that is placed in the same period as ruthenium but which has a higher atomic number than it is SILVER.

In the periodic table, a period refers to an horizontal row of elements. All the element in a particular period always have the same number of atomic orbitals. Ruthenium and silver are in the same period and they have the same number of atomic orbital but have different atomic numbers. The atomic number of silver [47] is higher than that of ruthenium [44] because silver has higher number of protons more than ruthenium. Remember that, the number of proton of an element determines its atomic number and the elements in the periodic table are arranged based on increased atomic number.

SVEN [57.7K]2 years ago

3 0

The answer is silver because its in the same transition metal placement and row as the ruthenium metal

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Answer: The energy released in the given nuclear reaction is 1.3106 MeV.

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For the given nuclear reaction:

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Mass of $_{19}^{40}\textrm{K}$ = 39.963998 u

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To calculate the mass defect, we use the equation:

$\Delta m=\text{Mass of reactants}-\text{Mass of products}$

Putting values in above equation, we get:

$\Delta m=(39.963998-39.962591)=0.001407u$

To calculate the energy released, we use the equation:

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$E=(0.001407u)\times (931.5MeV)$ (Conversion factor: $1u=931.5MeV/c^2$ )

$E=1.3106MeV$

Hence, the energy released in the given nuclear reaction is 1.3106 MeV.

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