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प्रश्न
What is the absolute mass and charge of a proton?
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उत्तर
Absolute mass of a proton is 1.6 × 10–24 gram.
Absolute charge of a proton is 1.602 × 10–19 coulomb.
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संबंधित प्रश्न
Name the positively charged particle present in the atoms of all the elements.
Fill in the blank of the following statement :
The anode rays obtained from hydrogen gas consist of particles called ________
How does a proton differ from an electron?
Why are anode rays also called as 'canal rays'?
Which sub-atomic particle was discovered by Goldstein.
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 |
Define: Electron
Is it possible for the atom of an element to have one electron, one proton and no neutron. If so, name the element.
In response to a question, a student stated that in an atom, the number of protons is greater than the number of neutrons, which in turn is greater than the number of electrons. Do you agree with the statement? Justify your answer.
An atom is electrically neutral. Give reason.
