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प्रश्न
Explain the following briefly:
Helium does not form He2 molecule
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उत्तर
Helium does not form He2 molecule as it has its outermost shell complete i.e. two electrons in its valence shell. Due to this complete valence shell helium atom is very stable hence does not participate in chemical bonding to form He2 molecule.
संबंधित प्रश्न
How do atoms attain noble gas configuration?
Define a chemical bond.
What type of bond is formed between two atoms, when the electronegative difference between them is High ?
Fill in the blanks.
The electrovalent bond or ionic bond is called as _____ bond
Name an element which does not contain neutron.
Give the orbital diagram of the following:
Methane
Identify the following reaction as either oxidation or reduction:
Zn → Zn2+ + 2e-
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^40_20Ca}\]
Why are Noble gases inert in nature?
Elements A, B and C have atomic number 17, 19 and 10 respectively.
State which one is a metal.
