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प्रश्न
How do atoms attain noble gas configurations?
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उत्तर
Combining atoms attain the noble gas configuration by transferring or sharing electrons.
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संबंधित प्रश्न
Mention the basic tendency of an atom which makes it to combine with other atoms.
In term of electron transfer, define
Reduction
Element X is a metal with a valency 2; Y is a non-metal with a valency 3.
(a) Write an equation to show how Y forms as ion
(b) If Y is a diatomic gas, write an equation for the direct combination of X and Y to form a compound.
How does the Modern atomic theory contradict and correlate with Dalton's atomic theory?
Name the following:
The shell closest to the nucleus of an atom
Compare :
Sodium atom and sodium ion
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^39_19K}\]
Complete the table give below.
| Element |
Atomic number |
Electron distribution | Valence electrons | Lewis dot structure |
| Lithium | 3 | 1s22s1 | ||
| Boron | 5 | 1s22s22p1 | ||
| Oxygen | 8 | 1s22s22p4 |
Draw the electron distribution diagram for the formation of Carbon di oxide (CO2 ) molecule.
Match the following:
| 1. | Monoatomic gaseous atom | a. | Electrovalent bond |
| 2. | Octet rule | b. | Benzene |
| 3. | Ionic bond | c. | Water |
| 4. | Non-polar solvent | d. | Electronic theory of valence |
| 5. | Polar solvent | e. | Noble gases |
