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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 are the atomic numbers of elements whose outermost electrons is represented by 3s1.
Multiple Choice Questions
The sum of number of protons and number of neutrons present in the nucleus of an atom is called its
State the mass number, the atomic number, number of neutrons and electronic configuration of the following atoms.
`""^12""_6C, ""^16""_8O, ""^19""_9F, ""^20""_10Ne, ""_13""Al""^27, ""_17""Cl""^35`
Also, draw atomic diagrams for them.
Fill in the Blank of the Following Statement :
An atom has atomic mass number 23 and atomic number 11. The atom has .................... electrons.
Fill in the blank of the following statement :
All the mass of an atom is concentrated in a small region of space called the ___________.
From the symbol `""_2^4"He"` for the element helium, write down the mass number and the atomic number of the element.
Draw the atomic diagram of the following element showing the distribution of – protons, neutrons and the electrons in the various shell of the atom.
Carbon – \[\ce{^12_6C}\]
[The upper number represent the – mass number and the lower number represent the – atomic number e.g. calcium – mass number = 40, atomic number = 20]
The No. of electrons in the outermost shell of the atom of an inert gas ______.
Electrons revolve around the nucleus in definite open shells.
State the term for the following:
The amount of substance which contains the same number of units as the number of atoms in carbon-12.
