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प्रश्न
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`
उत्तर
p = proton
n = neutron
e = electron
Superscript number : These superscript number show their mass number
Subscript number : These numbers show their atomic number
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संबंधित प्रश्न
What is the nature of the charge on Anode rays?
How does cathode ray differ from as anode rays?
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.
Define: Proton
Represent a proton ‘p’ in term of its symbol showing the subscript and superscript value.
Name or state the following.
Two elements having the same number of protons and electrons but a different number of neutrons.
Write the properties of anode rays.
Is it possible for the atom of an element to have one electron, one proton and no neutron. If so, name the element.
What are fluorescent materials?
