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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 _________
What is an electron? State its relative mass and charge.
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.
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.
Give a reason why noble gases have a stable electronic configuration.
Atoms of all metals will have ______ electrons in their outermost orbit.
An atom has a number of orbits and each orbit has protons.
When an atom gains an electron it has more electrons and thus it carries a positive charge.
