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प्रश्न
Name the subatomic particle whose relative charge is : –1
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उत्तर
An electron has a relative charge of –1.
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संबंधित 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 _________
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?
Explain the rule according to which electrons are filled in various energy levels.
What are inert elements?
An element A has 1 electron in its first shell. It combines with element B having 7 electrons in its third shell. What type of bond is formed?
Explain the following:
Atoms combine by transfer and sharing of an electron(s).
Explain in brief the experimental proof which led to the discovery of –
Electrons
Give a reason why noble gases have a stable electronic configuration.
Helium has two electrons in the outermost orbit and so it is chemically inert.
