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The number of neutrons in oxygen-18 are...

The number of neutrons in oxygen-18 are

A

2

B

18

C

10

D

12

Text Solution

Verified by Experts

The correct Answer is:
C
`""_(8)^(18)O" "n=18-8=10`
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ERRORLESS-STRUCTURE OF ATOM-NCERT BASED QUESTIONS (Atomic Number, Mass Number, Atomic Species)
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  2. The number of electrons in the nucleus of C^(12) is

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  3. The number of neutrons in oxygen-18 are

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  4. Nitrogen has an atomic number of 7 and oxygen has an atomic number of ...

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  5. The nitride ion in lithium nitride is composed of

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  7. The nucleus of tritium contains

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  8. The atomic number of an element is 35. What is the toal number of elec...

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  9. Atom consist of electrons , protons and neutrons . If the mass attribu...

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  10. The charge of an electron is -1.6 xx10^(-19) C. The value of free char...

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  11. Nucleus of an element contains 9 protons Its valency would be :

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  12. The total number of neutrons in dipositive zinc ions with mass number ...

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  13. The nucleus of an atom is spherical. The relation between radius of ...

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  14. Chlorine exists in two isotopic forms Cl-37 and Cl-35 but its atomic m...

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  15. An ion has a charge of -1 . It has eighteen electrons and twenty neutr...

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  16. CO has same electrons as of the ion that is isoelectronic with CO is.

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  17. Which one of the following constitutes a group of the isoelectronic sp...

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  18. In which one of the following , the number of protons is greater than ...

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  19. Which of the following oxides of nitrogen is isoelectronic with CO(2)

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  20. Which of the following ion is not isoelectronic with O^(2-) ?

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