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Question
Is it possible for the atom of an element to have one electron, one proton and no neutron. If so, name the element.
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Solution
Yes, hydrogen has one electron, one proton and no neutron. It is represented as `""_1^1"H"`.
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RELATED QUESTIONS
Name the positively charged particle present in the atoms of all the elements.
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(a) What are cathode rays? What is the nature of charge on cathode rays?
(b) Explain how, cathode rays are formed from the gas taken in the discharge tube.
(c) What conclusion is obtained from the fact that all the gases from cathode rays?
Name the sub-atomic particle whose charge is +1.
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 |
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- `""_17^35"Cl"`
- `""_6^12"C"`
- `""_35^81"Br"`
| Element | np | nn |
A proton can be defined as a ______.
