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Question
What is a proton? State its relative mass and charge.
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Solution
Protons are the fundamental particles in an atom that carry one unit positive charge and have a mass, which is almost equal to that of a hydrogen atom. The relative mass of a proton is 1 U. The relative charge of a proton is +1.
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RELATED QUESTIONS
Which subatomic particle was discovered by : Goldstein ?
Name the subatomic particle whose relative charge is : +1
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There are two species represented as 35Cl and 37Cl. Which of the following statement is correct regarding these species ?
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.
Represent an electron ‘e’ in term of its symbol showing the subscript and superscript value.
Write the properties of anode rays.
A proton can be defined as a ______.
