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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
The composition of the nuclei of two atomic species X and Y are given as under
| X | Y | |
| Protons | 6 | 6 |
| Neutrons | 6 | 8 |
Give the mass numbers of X and Y. What is the relation between the two species?
What are the atomic numbers of elements whose outermost electrons is represented by 3p5?
In Milikan’s experiment, static electric charge on the oil drops has been obtained by shining X-rays. If the static electric charge on the oil drop is - 1.282 × 10-18C, calculate the number of electrons present on it.
Multiple Choice Questions
The sub atomic particle with negative charge is
The atom of an element is made up of 4 protons, 5 neutrons and 4 electrons. What is its atomic number and mass number?
From the symbol `""_15^31"P"`, state : atomic number of phosphorus
The diagram represents an isotope of hydrogen [H]. Answer the following:
Atomic no. = 1
Mass no. = 1
If an isotope of ‘H’ has mass no. = 2, how many electrons does it have.
What is atomic number?
Electrons revolve around the nucleus in definite open shells.
If element M has mass number 24 and atomic number 12, how many neutrons does its atom contain?
