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When alpha particle are sent through a ...

When alpha particle are sent through a thin metal foil ,most of them go straight through the foil because

A

`alpha` particle are much he avier than electron

B

`alpgha`particle are positively charged

C

Most part of the atom is empty space

D

`alpha` particle move with light speed

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The correct Answer is:
A, C
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CENGAGE CHEMISTRY ENGLISH-ATOMIC STRUCTURE-Exercises Multiple Correct
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  2. The energy of an electron in the first Bohr orbit of H atom is -13.6 e...

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  4. Which of the following sets of quantum number is //are not perrmitted...

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  5. The lightest particle is/are

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  6. Which orbit of the following is lower in energy in a many electron at...

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  7. Which of the following statement (s) is/are correct ?

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  8. The angular momentum of d electron is

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  9. The angular momentum of p electron is

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  10. Which of the following ie//are posssible ?

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  11. If the value of (n + l) is more than 3 and less than 6 , then what wi...

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  12. Which of the following is//are not indicated by the sign of lobes in ...

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  13. Which of the following does not relate to photon both as wave motion ...

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  14. What transition in He^(o+) ion shall have the same wave number as ...

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  15. An electron has spin quantum number (s) + 1//2 and magnetic quantum...

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  16. The ratidal part of wave function dependds on the quantum numbers

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  17. How many spherical nodes are present in 4s orbital in a hydrogen ato...

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  18. Which of the following statement about quantum number is correct ?

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  19. A hydrogen like atom in ground st6ate abserbs n photon having the s...

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  20. Magnetic moment of V(Z = 23),Cr(Z = 24),and Mn(Z= 25) are x,y,z repec...

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