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प्रश्न
Fill in the blanks- The number of protons in the nucleus of an atom is called its ....................
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उत्तर
The number of protons in the nucleus of an atom is called its atomic number.
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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 two main features of Rutherford’s atomic model?
From the symbol `""_12^24"Mg"`
, state the mass number, the atomic number and electronic configuration of magnesium.
Define the term ‘mass number’ of an atom.
‘Z’ is denoted by ______.
Mass No =______ + No. of Neutrons.
K and L shells can accommodate a maximum of 2 and 8 electrons respectively.
In a neutral atom number of protons is equal to the number of neutrons.
If an atom has 6 electrons in its outermost shell, it is inert.
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?
