Back to CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES
NEET UG CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES
1
Easy
1 of 1
Application
+4 | -1
If each orbital can take maximum of three electrons, the number of elements in the third period of the periodic table will be :
View answer and explanation
Correct option: A
12
Option A (12) is correct because if each orbital can take a maximum of three electrons, the third period will have 12 elements.
More Questions from CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES
Practice All Chapter MCQs →
The elements with zero electron affinity are
S-I: paramagnetic.
S-II: All the orbitals present in ion are doubly occupied. Which of the following is the most electropositive element? The law of Octaves is not applicable to: Assertion (A): Mendeleev's arranged elements in horizontal rows and vertical columns.
Reason (R): Mendeleev's ignored the order of atomic weight thinking that the atomic measurements might be incorrect. Which of the following electronic configuration does not belong to same block as others?
S-II: All the orbitals present in ion are doubly occupied. Which of the following is the most electropositive element? The law of Octaves is not applicable to: Assertion (A): Mendeleev's arranged elements in horizontal rows and vertical columns.
Reason (R): Mendeleev's ignored the order of atomic weight thinking that the atomic measurements might be incorrect. Which of the following electronic configuration does not belong to same block as others?