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प्रश्न
Fill in the following blanks :
| Atomic Number | Mass Number | Protons | Neutrons | Electrons | Symbol |
| 10 | 22 | _________ | _________ | _________ | _________ |
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उत्तर
| ATOMIC NO. | MASS NO. | PROTONS | NEUTRONS | ELECTRONS | SYMBOL |
| 10 | 22 | 10 | 12 | 10 | Ne |
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संबंधित प्रश्न
What is variable valency? Name two elements having variable valency and state their valencies.
The atom of an element is made up of 4 protons, 5 neutrons and 4 electrons. What is its atomic number and mass number?
The mass number of an element is 18. It contains 7 electrons. What is the number of protons and neutrons in it? What is the atomic number of the element?
What is meant by the 'atomic number of an element'?
If an atom ‘A’ has mass number 35 and atomic number 17, state the number of protons, electrons and neutrons it contains.
Explain the following terms.
- Proton
- Electron
- Neutron.
When an atom gives electrons from its outermost shell, it becomes ______ charged.
If an atom has 6 electrons in its outermost shell, it is inert.
Ca2+ has completely filled outer shell. Justify your answer.
In which one of the following, the number of protons is greater than the number of neutrons but number of protons is less than the number of electrons?
