Advertisements
Advertisements
Question
Draw a neat labelled diagram.
Diagramatic sketch of electronic configurations of magnesium (Atomic number 12)
Advertisements
Solution

RELATED QUESTIONS
If K and L shells of an atom are full, then what would be the total number of electrons in the atom?
What is the maximum number of electrons an M shell of the atom can accommodate?
Write the distribution of electrons in an atom of element whose atomic number is 18. What is special about the outermost electron shell (or valence shell) of the atom of this element?
The atom of an element X has 7 electrons in its M shell.
(a) Write the electronic configuration of element X.
(b) What is the atomic number of element X?
(c) Is it a metal or a non-metal?
(d) What type of ion will be formed by an atom of element X? Write the symbol of the ion formed.
(e) What could element X be?
Give a reason for the following:
The shells surrounding the nucleus of an atom are also called ‘energy levels’.
Name an element which has the same number of electrons in its first and second shell.
The electron distribution in an aluminium atom is
The outermost shell of an atom cannot accommodate electrons more than ______.
The electronic configuration of an atom is 2,8,3. The valency of the atom is ______.
How will you define the term ‘electronic configuration’?
