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प्रश्न
What is the absolute mass and charge of an electron?
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उत्तर
The absolute mass of an electron is approximately 9.108 × 10–28.
Its absolute charge is 1.6 × 10–19 C.
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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 _________
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"`
Choose the correct option
The number of valence electrons in O2- is :
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?
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.
Give a simple diagram to show the arrangement of the electrons in an atom of sulphur.
What are the noble gases?
Cathode rays are made up of
When an atom gains an electron it has more electrons and thus it carries a positive charge.
