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Question
Draw a neat labelled diagram.
Diagramatic sketch of electronic configurations of magnesium (Atomic number 12)
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Solution
RELATED QUESTIONS
Summarize the rules for writing of distribution of electrons in various shells for the first eighteen elements.
What is the maximum number of electrons which can be accommodated in the L shell of an atom?
What is the maximum number of electrons an M shell of the atom can accommodate?
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.
Atoms are stable though negatively charged electron is revolving within it.
An atom X has 2, 8, 7 electrons in its shell. It combines with Y having 1 electron in its outermost shell.
Write the formula of the compound formed.
The atom of aluminium is represented by 27Al13. Write down the number of neutrons in the different orbits or shells in one atom of aluminium.
Give a reason for the following:
Helium is chemical extremely unreactive.
Write the electronic configuration of K and Cl
