Advertisements
Advertisements
प्रश्न
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.
Advertisements
उत्तर
27Al13 Ato,ic mass = (P + n) = A
Atomic number 13 = P = e = Z
Number of neutrons = A − Z = 27 − 13 = 14
APPEARS IN
संबंधित प्रश्न
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?
Mention the basic tendency of an atom which makes it combine with other atoms
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 electrons in the different orbits or shells in one atom of aluminium.
The following element is given \[\ce{_9W}\]. 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.
State true or false. If false, correct the statement.
The maximum number of electron in L Shell is 10.
Total number of electrons that can be accommodated in an orbit is given by __________.
For an atom ‘X’, K, L and M shells are completely filled. How many electrons will be present in it?
Explain the electronic configuration of atoms with an illustration.
