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प्रश्न
The atom of aluminium is represented by 27Al13. Write down the number of electrons in the different orbits or shells in one atom of aluminium.
उत्तर
27Al13 Ato,ic mass = (P + n) = A
Atomic number 13 = P = e = Z
Number of electrons Z = 13
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संबंधित प्रश्न
What is the maximum number of electrons which can be accommodated in the :
(a) innermost shell of an atom?
(b) outermost shell of an atom?
Name the shell of an atom which can accommodate a maximum of :
(a) 2 electrons ?
(b) 18 electrons ?
Give scientific reason.
Atomic mass number is a whole number.
The atom of aluminium is represented by 27Al13. Write down the number of the arrangement of electrons in the different orbits or shells in one atom of aluminium.
Differentiate between the term Stable and unstable electronic configuration.
Explain the octet rule for the formation of –
Nitrogen molecule from two nitrogen atoms.
Give a reason for the following:
The shells surrounding the nucleus of an atom are also called ‘energy levels’.
Write the electronic configuration of K and Cl
The electron distribution in an aluminium atom is
Write down the electron distribution of chlorine atom. How many electrons are there in the L shell? (Atomic number of chlorine is 17).
