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प्रश्न
What are the two main parts of which an atom is made of?
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उत्तर
- The centrally located nucleus
- The outer circular orbits.
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संबंधित प्रश्न
Write true or false for the following statement
The maximum number of electrons in the first shell can be 8.
Give the following a suitable word/phrase
The sub-atomic particle with negative charge and negligible mass.
Give the following a suitable word/phrase
Arrangement of electrons in the shells of an atom.
Give the following a suitable word/phrase.
The smallest unit of an element which takes part in a chemical reaction.
Multiple Choice Questions
The outermost shell of an atom is known as
FILL IN THE BLANK
The γ-rays are............................ radiations, like light.
Draw the electronic configuration of the following elements clearly stating the number of neutrons and protons in their nucleus.
a. Beryllium b. Silicon
c. Chlorine d. Aluminium
e. Nitrogen
Name the three fundamental particles of an atom.
Define the term Mass number.
State how electrons are distributed in an atom. Explain in brief the rules which govern their distribution.
