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# A Nucleus  emits One Alpha Particle And Two β-particle The Resulting Nucleus Is

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Correct option is

One alpha particle, atomic number dereases by 2 and mass number by 4 and one beta particle will increases atomic number by 1

#### SIMILAR QUESTIONS

Q1

The mass of one mole of electrons is

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The increasing order for  the values of e/m is

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The total number of neutrons in dipositive zinc ion with mass number 70 is

Q4

A radioactive nucleus is leing produed at a constant rate  per second. Its decay constant is λ. If No. are the number of nuclei at time t = 0, then  themanimum no, of nuclei

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Half life of radium is 1600 yrs. Its average life is

Q7

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Q8

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Q9

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Q10

A sample of a radioactive element has a mass of 10g at an instant t = 0. The oppropriate mass of this element in the element in the sample after two mean lives is