Advertisements
Advertisements
प्रश्न
Which of the following represents the correct electron distribution in magnesium ion?
विकल्प
2, 8
2, 8, 1
2, 8, 2
2, 8, 3
Advertisements
उत्तर
2,8
Magnesium ion, Mg2+ has 10 electrons; so, its electronic configuration is 2, 8.
APPEARS IN
संबंधित प्रश्न
What is the maximum number of electrons which can be accommodated in the K shell of an atom?
What is the maximum number of electrons an M shell of the atom can accommodate?
Which of the following is the correct electronic configuration of sodium?
An element has an atomic number 12. How many electrons will be present in the K, L and M energy shells of its atom?
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.
The atom of aluminium is represented by 27Al13. Write down the number of protons in the different orbits or shells in one atom of aluminium.
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.
Explain the arrangement and distribution of electrons in the various shells with reference to an atom in general and to an atom of potassium ‘3919K’ with special reference to the 2n2 rule.
The following element is given \[\ce{_3U}\]. State the electronic configuration and state whether it is a metal, non-metal, or inert gas.
Write the electronic configuration of K and Cl
