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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
Name the subatomic particle whose relative charge is : –1
What is the absolute mass and charge of an electron?
The ion of an element has 3 positive charges. The mass number of atom of this element is 27 and the number of neutrons is 14. What is the number of electrons in the ion?
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?
An atom X has three electrons more than the noble gas configuration. What type of ion will it form?
An element X has 2 electrons in its M shell, it forms a bond with an element Y which has 7 electrons in its third orbit.
- Write the formula of the compound formed.
- Which nearest inert gas electronic configuration will element X and Y acquire.
- Show by orbital diagram the formation of the compound between X and Y.
What are the noble gases?
Differentiate between the following term:
Electron and proton
Atoms of all metals will have ______ electrons in their outermost orbit.
Assertion: Helium has four electrons in the outermost orbit.
Reason: Neon has eight electrons in the outermost orbit.
