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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
The subatomic particle called electron was discovered by :
Name the sub-atomic particle whose charge is -1.
Explain the rule according to which electrons are filled in various energy levels.
Write down the electronic configuration of the following:
(a) `""_13^27"Y"`
(b) `""_17^35"Y"`
What are inert elements?
An atom X has three electrons more than the noble gas configuration. What type of ion will it form?
Name or state the following:
Ion formed by the gain of an electron(s)
What is the relation between the number of protons and the number of electrons in an atom?
Rutherford’s ‘alpha (α) particles scattering experiment’ resulted in to discovery of
The relative charge of an electron is – 1.
