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The cation of an element has :...

The cation of an element has :

A

the same number of electrons as its neutral atom

B

more electrons than a neutral atom

C

less protons than a neutral atom

D

less electrons than a neutral atom

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The correct Answer is:
D
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LAKHMIR SINGH & MANJIT KAUR-ATOMS AND MOLECULES-Exercise
  1. An element which can exhibit valencies of 2, 4 and 6 can be :

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  2. The atomic number of an element E is 16. The number of electrons in i...

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  3. The cation of an element has :

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  4. Two elements X and Y have valencies of 5 and 3, and 3 and 2, respecti...

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  5. The number of electrons in an ion Y^(2+) is 10. The atomic number of e...

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  6. A particle P has 18 electrons, 20 neutrons and 19 protons. This parti...

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  7. An ionic compound will be formed by the combination of one of the foll...

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  8. Molecular compounds are usually formed by the combination between :

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  9. The formula of a compound is X(3)Y. The valencies of element X and Y ...

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  10. The formula of the sulphate of an element X is X(2)(SO(4))(3). The for...

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  11. An element A forms an oxide A(2)O(5). (a) What is the valency of ...

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  12. An element X forms the following compounds with hydrogen, ca...

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  13. If the aluminium salt of an anion X is Al(2)X(3), what is the valency...

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  14. The formula of carbonate of a metal M is M(2)CO(3). (a) What will ...

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  15. The atom of an element X contains 17 protons, 17 electrons and 18 neu...

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  16. What is a group of 6.022 xx 10^(23) particles known as ?

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  17. What name is given to the amount of substance containing 6.022 xx 10...

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  18. What is the numerical value of Avogardo number ?

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  19. How many atoms are present in one gram atomic mass of a substance ?

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  20. How many molecules are present in one gram molecular mass of a substan...

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