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प्रश्न
What are inert elements?
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उत्तर
The elements have a complete outermost shell, i.e. 2 or 8 electrons. They ordinarily do not enter into any reaction.
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संबंधित प्रश्न
The ion of an element has 3 positive charges. The mass number of atom of this element is 27 and the number of neutrons is 14. What is the number of electrons in the ion?
An electron carries a ________ charge.
The electronic configuration of fluoride ion is the same as that of the neon atom. What is the difference between the two?
What is the term defined below?
A bond formed by a shared pair of electrons, each bonding atom contributing one electron to the pair.
Name or state the following:
A bond formed by transfer of electron(s)
In the formation of (i) oxygen molecule (ii) carbon tetrachloride molecule, state the following:
- Electronic configuration of nearest inert gas attained.
- How many electrons are shared/transferred in bond formation
- Which type of bonds these compounds form?
- Draw their orbital diagrams.
On the basis of Thomson’s model of an atom, explain how the atom is neutral as a whole.
Which of the following statement is always correct?
In a television tube, Cathode rays are deflected by magnetic fields.
Assertion: Helium has four electrons in the outermost orbit.
Reason: Neon has eight electrons in the outermost orbit.
