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What is the total life of a radioactive ...

What is the total life of a radioactive element ?

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n alpha particles per second are emitted from N atoms of a radioactive element. Then find the half life of radioactive element ?

Why do radioactive element decay?

The activity of a nucleus is inversely proportional to its half of average life. Thus, shorter the half life of an element, greater is its radioactivity, i.e., greater the number of atomsd disintegrating per second. The relation between half life and average life is t_(1//2) = (0.693)/(lambda) = tau xx 0.693 or tau = 1.44 t_(1//2) The half life of a radioactive element is 10 years. What percentage of it will decay in 100 years?

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What is the probability of a radioactive nucleus to survive one mean life?

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Copy and complete the following table for a radioactive element whose half-life is 10 minutes. Assume that you have 30g of this element at t= 0.

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Complete the following table for a radioactive element whose half life is 5 minutes. Assume that you have 32 8 of this element at start, i.e., at t=0. Now, using this data, plot the "decay curve"

CENGAGE CHEMISTRY ENGLISH-NCERT BASED EXERCISE-Short Answer Type Questions
  1. Name the compound which shows anti-ferroelectric property.

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  2. When and why is molality preferred over molarity in handling solution ...

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  3. What is the effect of temperature on the molality of solution?

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  4. Which aqueous solution has higher concentration , 1 molar or 1 molal ...

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  5. Why vapour pressure of a liquid decreases when a non- volatile solute ...

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  6. 10dm^(3) of a liquid A was mixed with 10dm^(3) of liquid B . The volum...

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  7. What do you expect to happen when red blood corpuscles (RBCs) are plac...

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  8. What will happen to the boiling point of a solutin if the weight of th...

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  9. What type of liquids form ideal solutions?

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  10. How muCHM molecular mass of NaCl is obtained experimentally using coll...

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  11. Why an azeotropic mixture gets distilled without any CHMange is compos...

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  12. Why do radioactive element decay?

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  13. How can a nucleus lose electrons (beta-particles) even though free ele...

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  14. What is the total life of a radioactive element ?

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  15. What is the source of radioactive CO(2) in the atmosphere?

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  16. What are transactinides ? To which block do they belong ?

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  17. Why is synthesis of transactinides difficult ?

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  18. Name the fundamental particle which exists in the nucleus

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  19. Which radioactive metal is used as an ingredient of atomic explosive w...

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  20. C-14 is formed in the upper atmosphere. Why it does not occur at the ...

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