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प्रश्न
Compare :
Sodium atom and sodium ion
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उत्तर
|
Sodium atom |
Sodium-ion |
|
Sodium atom is electrically neutral. |
Sodium-ion is positively charged. |
|
In sodium atom, there are 11 protons and 11 electrons, i.e. an equal number of protons and electrons. |
In sodium-ion, there are 11 protons but 10 electrons, i.e. sodium ion contains a lesser number of electrons. |
|
The sodium atom has only one electron in its valence shell. |
Sodium-ion has 8 electrons in its valence shell. |
|
The size of a sodium atom is larger than a sodium ion. |
The size of a sodium ion is smaller than a sodium atom. |
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संबंधित प्रश्न
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methane
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Give reason
Argon does not react.
Complete the following table relating to the atomic structure of some elements.
|
Element Symbol |
Atomic Number |
Mass Number |
Numbers of neutrons |
Number of Electrons |
Number of Protons |
|
Li |
3 |
6 |
|
|
|
|
Cl |
17 |
|
20 |
|
|
|
Na |
|
|
12 |
|
11 |
|
Al |
|
27 |
|
|
13 |
|
S |
|
32 |
16 |
|
|
Give the orbital diagram of the following:
Nitrogen
Identify the following reaction as either oxidation or reduction:
O + 2e- → O2-
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State which one is a metal.
