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प्रश्न
Fill in the following blanks in respect of an atom of an element
| No. of protons | No. of neutron | Mass number | Atomic number | No. of electrons | Symbol |
| 11 | 12 | ___________ | ___________ | ___________ | ________ |
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उत्तर
| No. of protons | No. of neutron | Mass number | Atomic number | No. of electrons | Symbol |
| 11 | 12 | 23 | 11 | 11 | Na |
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संबंधित प्रश्न
Fill in the blank
An ion which has a positive charge is called a ..................
Multiple Choice Questions
The sum of number of protons and number of neutrons present in the nucleus of an atom is called its
Fill in the blanks- The number of protons in the nucleus of an atom is called its ....................
Fill in the following blanks :
| Atomic Number | Mass Number | Protons | Neutrons | Electrons | Symbol |
| 10 | 22 | _________ | _________ | _________ | _________ |
From the symbol \[\ce{^4_2He}\] for the element helium, write down the mass number and the atomic number of the element.
Differentiate mass number from atomic number.
What is a neutron?
Every atom has an equal number of protons and electrons. The nature of the atom is ______.
A ______ number describes a specific aspect of an electron.
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?
