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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
How does an electron differ from a neutron?
The atom of an element X has 7 electrons in its M shell.
Is it a metal or a non-metal?
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?
Choose the correct option:
The mass number of an atom whose unipositive ion has 10 electrons and 12 neutrons is :
Choose the correct answer from A, B, C and D:
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- 3517Y.
Write down the number of electrons in X and neutrons in Y and the formula of the compound formed by X and Y.[XY3]
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Rutherford’s ‘alpha (α) particles scattering experiment’ resulted in to discovery of
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