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प्रश्न
What are the noble gases?
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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 blank of the following statement :
Cathode rays are a beam of fast moving _________.
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.
What type of ion will be formed by an atom of element X? Write the symbol of the ion formed.
What could element X be?
What are inert elements?
Choose the correct option:
The mass number of an atom whose unipositive ion has 10 electrons and 12 neutrons is :
If electrons are getting added to en element Y; then
Is Y getting oxidized or reduced?
Explain the following:
Atoms combine by transfer and sharing of an electron(s).
What is the relation between the number of protons and the number of electrons in an atom?
Cathode rays are made up of
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?
