Number of valence electrons in $Cl^-$ ion are :
- A$8$
- B$16$
- C$17$
- D$18$
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Rutherford's alpha-particle scattering experiment was responsible for the discovery of
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View SolutionWhat are the limitations of $J$.$J$. Thomson's model of the atom?
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View SolutionComposition of the nuclei of two atomic species $X$ and $Y$ are given as under:
$X$ $Y$ Protons $=$ $6$ $6$ Neutrons $=$ $6$ $8$
Give the mass numbers of $X$ and $Y$. What is the relation between the two species?
| $X$ | $Y$ | |
| Protons $=$ | $6$ | $6$ |
| Neutrons $=$ | $6$ | $8$ |
Give the mass numbers of $X$ and $Y$. What is the relation between the two species?
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View SolutionComplete the following table.
Atomic Number
Mass Number
Number of Neutrons
Number of Protons
Number of Electrons
Name of the Atomic Species
$9$
-
$10$
-
-
-
$16$
$32$
-
-
-
sulphur
-
$24$
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$12$
-
-
-
$2$
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$1$
-
-
-
$1$
$0$
$1$
$0$
-
| Atomic Number | Mass Number | Number of Neutrons | Number of Protons | Number of Electrons | Name of the Atomic Species |
| $9$ | - | $10$ | - | - | - |
| $16$ | $32$ | - | - | - | sulphur |
| - | $24$ | - | $12$ | - | - |
| - | $2$ | - | $1$ | - | - |
| - | $1$ | $0$ | $1$ | $0$ | - |
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View SolutionWrite the distribution of electrons in carbon and sodium atoms.
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