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प्रश्न
An atom of an element contains 29 electrons and 35 neutrons. Deduce the number of protons.
उत्तर
In an atom, the number of protons is equal to the number of electrons.
The given atom contains 29 electrons.
∴ Number of protons = 29
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संबंधित प्रश्न
Choose the correct option.
The energy difference between the shells goes on ________ when moved away from the nucleus.
Choose the correct option.
The value of Plank’s constant is -
Make the pairs:
| ‘A’ | ‘B’ |
| a. Neutrons | i. six electrons |
| b. p-orbital | ii. -1.6×10-19 C |
| c. charge on electron | iii. Ultraviolet region |
| d. Lyman series | iv. Chadwick |
Match the following:
| Element | No. of Neutron |
| a. \[\ce{^40_18AR}\] | i. 7 |
| b. \[\ce{^14_6C}\] | ii. 21 |
| c. \[\ce{^40_19K}\] | iii. 8 |
| d. \[\ce{^14_7N}\] | iv. 22 |
Answer in one sentence:
If an element ‘X’ has mass number 11 and it has 6 neutrons, then write its representation.
An atom of an element contains 29 electrons and 35 neutrons. Deduce the electronic configuration of that element.
Hydrogen has three isotopes: protium (1H), deuterium (2H or D) and tritium (3H or T). They have nearly the same chemical properties but different physical properties. They differ in ______.
