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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
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 blank of the following statement :
Cathode rays are a beam of fast moving _________.
Choose the correct option
The number of valence electrons in O2- is :
Name or state the following:
A bond formed by transfer of electron(s)
_______ is a negatively charged particle.
Rutherford’s ‘alpha (α) particles scattering experiment’ resulted in to discovery of
Which of the following statement is always correct?
All non–metals will have ______ electrons in the outermost orbit of their atoms.
Anode rays travel in straight lines.
In a television tube, Cathode rays are deflected by magnetic fields.
