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प्रश्न
What are the noble gases?
उत्तर
Noble gases are gases that have their outermost orbit completely filled i.e. have stable electronic configuration.
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संबंधित प्रश्न
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 _________
All the gases from cathode rays and anode rays when electricity is passed through them :What does the formation of cathode rays tell us about the atoms?
If an atom contains one electron and one proton, will it carry as a whole is neutral
Write down the number of electrons in X and neutrons in Y.
Choose the correct option
The number of valence electrons in O2- is :
The electronic configuration of fluoride ion is the same as that of the neon atom. What is the difference between the two?
The electronic configuration of nitrogen is (2, 5). How many electrons in the outer shell of a nitrogen atom are not involved in the formation of a nitrogen molecule?
An element X has 2 electrons in its M shell, it forms a bond with an element Y which has 7 electrons in its third orbit.
- Write the formula of the compound formed.
- Which nearest inert gas electronic configuration will element X and Y acquire.
- Show by orbital diagram the formation of the compound between X and Y.
What is the relation between the number of protons and the number of electrons in an atom?
_______ is a negatively charged particle.
