Advertisements
Advertisements
प्रश्न
An element has an atomic number 12. How many electrons will be present in the K, L and M energy shells of its atom?
Advertisements
उत्तर
Electronic configuration of element with atomic number 12 is:
\[\underset{2}{\text{ K }}\underset{8}{\text{ L }}\underset{2}{\text{ M }}\]
There will be 2 electrons in the K shell, 8 electrons in the L shell and 2 electrons in the M shell of its atom.
APPEARS IN
संबंधित प्रश्न
Write the distribution of electrons in carbon and sodium atoms?
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 Electronic Configuration of a Hydrogen Atom?
Give scientific reason.
Atoms are stable though negatively charged electron is revolving within it.
Draw a neat labelled diagram.
Diagramatic sketch of electronic configurations of magnesium (Atomic number 12)
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.
Select the correct answer from the answer in the bracket to complete the sentence.
The maximum number of electrons in M-shell is _______.
Give a reason for the following:
Helium is chemical extremely unreactive.
Which block of the periodic table contains metals, non-metals, and metalloids?
