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प्रश्न
Give a reason why noble gases have a stable electronic configuration.
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उत्तर
Noble gases do not gain or lose or share electrons and noble gases have a stable electronic configuration as they are in a minimum state of energy.
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संबंधित प्रश्न
State whether the following statement is true or false :
The cathode rays obtained from all the gases consist of negatively charged particles called electrons.
Fill in the blanks of the following statements :
An atom has atomic mass number 23 and atomic number 11. The atom has_________ electrons.
Cathode rays are a beam of fast moving _________
The maximum number of electrons that can be accommodated in L shell are_________
The maximum number of electrons that can go into the M shell is _________
The atom of an element X has 7 electrons in its M shell.
Is it a metal or a non-metal?
Give the symbol and charge of each particle.
What are valence electrons?
The number of electrons in an element X is 15 and the number of neutrons is 16. Which of the following is the correct representation of the element?
In a television tube, Cathode rays are deflected by magnetic fields.
An atom has a number of orbits and each orbit has protons.
When an atom gains an electron it has more electrons and thus it carries a positive charge.
Assertion: Helium has four electrons in the outermost orbit.
Reason: Neon has eight electrons in the outermost orbit.
