Interpretation:
Reason for why most stable isotope of chromium is
Concept Introduction:
Nuclear stability means that the nucleus is stable meaning that it does not spontaneously emit any kind of radioactivity.
Nuclear stability can be explained based on neutron to proton ratio (N/Z) in the nucleus.
For a stable atoms having low
For a stable nucleus N/P ratio is one and which lies in the belt of stability of graph of number of protons to number neutrons.
When an isotope is above the belt of stability, N/P ratio is high and there exists a beta emission to decrease the stability.
General rules for predicting the nuclear stability is given below,
- If the nucleus contains 2, 8,20, 28, 50,82 or 126 protons or neutrons, then they are generally considered as stable than the nuclei that do not possess these numbers.
- If the nuclei has even number of both protons and neutrons, then they are considered as stable as those with odd number of these particles.
- All
isotopes of elements with atomic number higher than 83 are radioactive.

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Chapter 24 Solutions
CHEMISTRY/ALEKS AND CONNECT
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- Beer’s Law is A = εbc, where A is absorbance, ε is the molar absorptivity (which is specific to the compound and wavelength in the measurement), and c is concentration. The absorbance of a 2.31 × 10-5 M solution of a compound is 0.822 at a wavelength of 266 nm in a 1.00-cm cell. Calculate the molar absorptivity at 266 nm.arrow_forwardHow to calculate % of unknown solution using line of best fit y=0.1227x + 0.0292 (y=2.244)arrow_forwardGiven a 1,3-dicarbonyl compound, state the (condensed) formula of the compound obtaineda) if I add hydroxylamine (NH2OH) to give an isooxazole.b) if I add thiosemicarbazide (NH2-CO-NH-NH2) to give an isothiazole.arrow_forward
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