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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
FILL IN THE BLANK
Atomic theory of matter was given by ..........................
The number of electrons in the atom of an element X is 15 and the number of neutrons is 16. Which of the following is the correct representation of an atom of this element ?
State the main postulates of Dalton’s atomic theory.
Draw the atomic diagram of the following element showing the distribution of – protons, neutrons and the electrons in the various shell of the atom.
Oxygen – \[\ce{^16_8O}\]
[The upper number represent the – mass number and the lower number represent the – atomic number e.g. calcium – mass number = 40, atomic number = 20]
Draw the atomic diagram of the following element showing the distribution of – protons, neutrons and the electrons in the various shell of the atom.
Argon – \[\ce{^40_18Ar}\]
[The upper number represent the – mass number and the lower number represent the – atomic number e.g. calcium – mass number = 40, atomic number = 20]
What is atomic number?
The atomic number of an element is 9, it has 10 neutrons. Find the element from the periodic table. What will be its mass number?
What are nucleons? How many nucleons are present in Phosphorous? Draw its structure.
Name the 3 sub-atomic particles of an atom.
Explain the following terms.
- Proton
- Electron
- Neutron.
