Advertisements
Advertisements
प्रश्न
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.
Advertisements
उत्तर
27Al13 Ato,ic mass = (P + n) = A
Atomic number 13 = P = e = Z
Number of protons = Z = 13
APPEARS IN
संबंधित प्रश्न
Na+ has completely filled K and L shells. Explain.
What is the maximum number of electrons which can be accommodated in the :
(a) innermost shell of an atom?
(b) outermost shell of an atom?
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?
Which of the following represents the correct electron distribution in magnesium ion?
From the Symbol `""_15^31"P"`, State : Electron Configuration of Phosphorus.
An element has an atomic number 12. How many electrons will be present in the K, L and M energy shells of its atom?
Give scientific reason.
Atoms are stable though negatively charged electron is revolving within it.
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.
Total number of electrons that can be accommodated in an orbit is given by __________.
The maximum No. of electrons that can be accommodated in the M shell is ______.
