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प्रश्न
How do atoms attain noble gas configuration?
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उत्तर
Atoms lose, gain or share electrons to attain noble gas configuration.
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संबंधित प्रश्न
Elements X, Y, and Z have atomic numbers 6, 9 and 12 respectively. Which one forms an anion?
State the following is a reduction reaction or oxidation reaction.
\[\ce{Cu -> Cu^2+}\]
Name an element which does not contain neutron.
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 |
|
|
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Identify the following reaction as either oxidation or reduction:
O + 2e- → O2-
Identify the following reaction as either oxidation or reduction:
K - e- → K+
Draw the electron distribution diagram for the formation of Carbon di oxide (CO2 ) molecule.
______ theory explains the formation of molecules.
Elements A, B and C have atomic number 17, 19 and 10 respectively.
State which one is chemically inert.
