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प्रश्न
Give the following a suitable word/phrase
Arrangement of electrons in the shells of an atom.
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उत्तर
Electron configuration is the distribution of electrons of an atom in various shells or orbits of the atom (K, L, M, etc.).
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संबंधित प्रश्न
Fill in the blank
Neutrons are .......................... particles having mass equal to that of protons.
Write true or false for the following statement
The maximum number of electrons in the first shell can be 8.
Multiple Choice Questions
number of valence electrons present in magnesium is
Tick the most appropriate answer.
Which of the following scientists observed that cathode rays consists of negatively charged particles?
- John Dalton
- J J Thomson
- James Chadwick
- Democritus
TRUE \ FALSE
Electrons are present in the nucleus.
State whether the following statement is true or false :
The anode rays obtained from all the gases consist of positively charged particles called protons.
Why is an atom neutral inspite of the presence of charged particles in it?
The particle not present in an ordinary hydrogen atom is :
Which of the following statement is always correct?
What is meant by the term subatomic particles?
