Advertisements
Advertisements
प्रश्न
For an atom ‘X’, K, L and M shells are completely filled. How many electrons will be present in it?
उत्तर
K – 2, L – 8, M – 18, 28 electrons – Nickel
APPEARS IN
संबंधित प्रश्न
What is the Electronic Configuration of a Hydrogen Atom?
What do you understand by the term "electronic configuration" of an element? Write down the electronic configuration of oxygen (At. No. = 8).
An element has atomic number 13 and an atomic mass of 27.
(a) How many electrons are there in each atom of the element ?
(b) How are these electrons distributed in the various energy levels ?
Which of the following is the correct electronic configuration of sodium?
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.
The following element is given \[\ce{_6V}\]. State the electronic configuration and state whether it is a metal, non-metal, or inert gas.
The following element is given \[\ce{_9W}\]. State the electronic configuration and state whether it is a metal, non-metal, or inert gas.
The following element is given \[\ce{_14X}\]. State the electronic configuration and state whether it is a metal, non-metal, or inert gas.
Give a reason for the following:
Helium is chemical extremely unreactive.
Which block of the periodic table contains metals, non-metals, and metalloids?
