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प्रश्न
Write down the names of the particles represented by the following symbols and explain the meaning of superscript and subscript numbers attached.
`""_1"H"^1`, `""_0"n"^1`,`""_(-1)"e"^0`
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उत्तर
| Mass | Charge | |
| Proton | 1.672 × 10<sup>- 24</sup>g | Positive |
| Electron | 9.108 × 10<sup>- 28</sup>g | Negative |
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संबंधित प्रश्न
Give the following a suitable word/phrase
The sub-atomic particle with negative charge and negligible mass.
Give the following a suitable word/phrase.
Protons and neutrons present in the nucleus.
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
Define the term Atomic number.
What are the two main parts of which an atom is made of?
FILL IN THE BLANK
The γ-rays are............................ radiations, like light.
TRUE \ FALSE
Electrons are present in the nucleus.
Draw a neat labelled diagram representing an atom. Name the three sub-atomic particles in the atom and represent them symbolically showing the mass and charge of each. State where the sub-atomic particles are present in the atom.
Select the correct answer from the choice in the bracket to complete the sentence:
An element ‘X’ has six electrons in its outer or valence shell. Its valency is __________.
