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Atomic mass of an element is not necces...

Atomic mass of an element is not neccessurity a whole number because

A

It contains electrons ,photons and neutrons

B

It excists in allotropic forms

C

It containts isotopes

D

Atom are no longer indivisible

Text Solution

Verified by Experts

The correct Answer is:
C
Atomic number
` = ((% "Abundance" ) xx ("isotope") + % "of" ("isotope")_(2))/(100)`
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CENGAGE CHEMISTRY-ATOMIC STRUCTURE-Exercises Single Correct
  1. Atomic mass of an element is not neccessurity a whole number because

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  2. Which of the following properties of an element is a whole number ?

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  3. Which of the following sets of quantum number is allowable

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  4. Which of the following is associated will the orbital desigrated by n...

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  5. An isotone of (32)Ge^(36) is i. (32)Ge^(77) ii. (33)As^(77) iii. (3...

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  6. The transition of electron in if atom that will emit maximum energy is

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  7. The limiting line Balmer series will have a frequency of

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  8. The fundamental particle which are responsible for leping nucless to...

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  9. Which of the following is not a characterists of plank's quantum theo...

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  10. Which of the following configuration is incorrect ?

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  11. Which of the following set of quantum number is an impossible arrange...

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  12. Which of the following statement about quantum number is wrong ?

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  13. Bohr's model of atom is not in agrement with

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  14. If the energy of electron in H atom is given by expression - 1312 n^(...

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  15. For which of the following electron distribution in ground state the (...

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  16. Which of the following orbital does not same ?

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  17. Which of the following sets of quantum number is not possible

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  18. The possible sub-shell in n = 3 energy shell are

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  19. In the Schrodingers wave equation spi repressents

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  20. Heisenherg's uncertainty principal rules out the exact simulateous ...

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