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प्रश्न
How many electrons are required or released by each atom in water molecule to attain the nearest noble gas configuration?
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उत्तर
In water molecule oxygen requires 2 electrons.
संबंधित प्रश्न
Elements X, Y, and Z have atomic numbers 6, 9 and 12 respectively. Which one forms an anion?
Give electron dot diagram of the following:
nitrogen
Explain the following briefly:
Helium does not form He2 molecule
An element with the atomic number 19 will most likely combine chemically with the element whose atomic number is
State the following is a reduction reaction or oxidation reaction.
\[\ce{Fe^2+ - e- -> Fe^3+}\]
What is an α (alpha) particle?
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 |
|
|
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^12_6C}\]
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.
