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Question
Represent an electron ‘e’ in term of its symbol showing the subscript and superscript value.
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Solution
electron ‘e’ = 0−1e
0−1e = 0 ← Superscript
−1← Subscript
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RELATED QUESTIONS
Name the positively charged particle present in the atoms of all the elements.
Name the subatomic particle whose relative charge is : +1
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 |
Write down the names of the particles represented by the following symbols and explain the meaning of superscript and subscript numbers attached `""_1"p"^1, ""_0"n"^1,""_-1"e"^0`
Explain in brief the experimental proof which led to the discovery of –
Protons
Is it possible for the atom of an element to have one electron, one proton and no neutron. If so, name the element.
A proton can be defined as a ______.
What are fluorescent materials?
An atom is electrically neutral. Give reason.
