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In a sample of ethyl ethanote (CH(3)COOC...

In a sample of ethyl ethanote `(CH_(3)COOC_(2)H_(5))` the two oxygen atoms have the same number of electrons but different number of neutrons, which of the following is the correct reason for it?

A

one of the oxygen atoms has gained electrons

B

one of the oxygen atoms has gained protons

C

the two oxygen atoms are isotopes

D

the two oxygen atoms are isobars

Text Solution

Verified by Experts

The correct Answer is:
C
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LAKHMIR SINGH & MANJIT KAUR-STRUCTURE OF ATOM-Exercise
  1. The radioactive isotope used in the treatment of cancer is :

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  2. Elements with valency 1 are

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  3. In a sample of ethyl ethanote (CH(3)COOC(2)H(5)) the two oxygen atoms ...

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  4. Which of the following elements does not exhibit electrovalency ?

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  5. The number of valence electrons in a graphite atom is :

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  6. The atomic numbers of four elements A,B,C and D are 12,13,15 and 3 res...

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  7. The number of valence electrons in a sulphide ion, S^(2-) is :

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  8. For an element, Z = 9. The valency of this element will be :

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  9. Four elements W,X,Y and Z contain 8,11,9 and 17 protons per atom respe...

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  10. The four atomic species can be represented as follows. Out of these, t...

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  11. There are four elements P,Q,R and S having atomic numbers of 4,18,10 a...

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  12. The atomic number of an element X is 8 and that of element Y is 4. Bot...

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  13. The isotopes of an element contain :

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  14. Which is the number of valence electrons in : (a) sodium ion, Na^(+)...

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  15. Atom A has a mass number 209 and atomic number 82 Atomic B has a mas...

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  16. Which of the following pairs are isotopes ? Give reasons for your choi...

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  17. Three different atoms of oxygen are represented as : .(8)^(16)O,.(8)...

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  18. The atomic species A and B have different number of protons but the sa...

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  19. Composition of the nuclei of two atomic species A and B is given as un...

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  20. Which of the following pairs are isobars ? (i) .(26)^(58)A, .(28)^(5...

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