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प्रश्न
What is the absolute mass and charge of an electron?
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
State whether the following statement is true or false :
The cathode rays obtained from all the gases consist of negatively charged particles called electrons.
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.
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?
What are cathode rays? How are these rays formed?
Give the symbol and charge of each particle.
Choose the correct option
The number of valence electrons in O2- is :
Give a reason why noble gases have a stable electronic configuration.
_______ is a negatively charged particle.
