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Question
What is the significance of the number of protons found in the atoms of different elements?
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Solution
The number of protons in the nucleus of an atom determines the element type of the atom.
Elements are arranged on the bases of number of protons in their respective atoms.
RELATED QUESTIONS
What is the positive charge on the nucleus of an atom due to?
Fill in the blank of the following statement :
The anode rays obtained from hydrogen gas consist of particles called ________
What is the nature of the charge on Anode rays?
Why are anode rays also called as 'canal 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 |
Complete the table given below
|
|
No. of protons |
No. of electrons |
No. of Neutrons |
Atomic Number |
Mass number |
| `""_17^35"CI"` |
|
|
|
|
|
| `""_17^37"CI"` |
|
|
|
|
|
Explain in brief the experimental proof which led to the discovery of –
Protons
Represent an electron ‘e’ 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.
Is it possible for the atom of an element to have one electron, one proton and no neutron. If so, name the element.
