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प्रश्न
What is the significance of the number of protons found in the atoms of different elements?
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उत्तर
The number of protons in the nucleus of an atom determines the element type of the atom.
Elements are arranged on the bases of number of protons in their respective atoms.
संबंधित प्रश्न
Name the positively charged particle present in the atoms of all the elements.
Which subatomic particle was discovered by : Goldstein ?
What is the absolute mass and charge of a proton?
How does a proton differ from an electron?
Name the gas which produces anode rays consisting of protons in the discharge tube experiment.
Complete the table given below by identifying P, Q, R and S.
|
Element |
Symbol |
No. of Protons |
No. of neutrons |
No. of Electrons |
|
Sodium |
`""_11^23"NA"` |
11 |
P |
11 |
|
Chlorine |
`""_17^35"CI"` |
Q |
18 |
17 |
|
Uranium |
R |
92 |
146 |
92 |
|
S |
`""_9^19"F"` |
9 |
10 |
9 |
Explain the following:
Mass of an atom is concentrated inside the nucleus of the atom.
Explain in brief the experimental proof which led to the discovery of –
Protons
Represent an electron ‘e’ in term of its symbol showing the subscript and superscript value.
The nature of anode rays depends upon ______.
