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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 _________
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उत्तर
In general, an atom has an atomic mass number 23 atomic number 11 and 11 electrons.
Cathode rays are a beam of fast moving electrons.
The maximum number of electrons that can be accommodated in the L shell are 8.
The maximum number of electrons that can be accommodated in the M shell is 18.
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संबंधित प्रश्न
Fill in the blank of the following statement :
Cathode rays are a beam of fast moving _________.
How does an electron differ from a neutron?
What are cathode rays? How are these rays formed?
Name the sub-atomic particle whose charge is -1.
What are valence electrons?
Choose the correct option:
The mass number of an atom whose unipositive ion has 10 electrons and 12 neutrons is :
Explain the following:
Atoms combine by transfer and sharing of an electron(s).
Give a reason why noble gases have a stable electronic configuration.
Rutherford’s ‘alpha (α) particles scattering experiment’ resulted in to discovery 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?
