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Question
An atom of an element contains 29 electrons and 35 neutrons. Deduce the number of protons.
Solution
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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RELATED QUESTIONS
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| ‘A’ | ‘B’ |
| a. Neutrons | i. six electrons |
| b. p-orbital | ii. -1.6×10-19 C |
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Match the following:
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| 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 ______.
