In which of the following pairs, electron gain enthalpies of constituent elements are nearly the same or identical?
In which of the following pairs, electron gain enthalpies of constituent elements are nearly the same or identical?
Option 1 -
Rb and Cs
Option 2 -
Na and K
Option 3 -
Ar and Kr
Option 4 -
I and At
-
1 Answer
-
Correct Option - 3
Detailed Solution:Rb and Cs has nearly same
Ar and Kr has same
Similar Questions for you
s – block and p – block elements together are called as representative elements.
Zn (Z = 30) is a d-block element.
Kindly go through the answer
Element/ion | |
O | -141 |
Na | -53 |
Cl | -349 |
O- | +780 |
You can read the classification of elements and periodicity in properties class 11 notes to study class 11 ch3 and score well in class 11th exams and NEET, and JEE exams.
When the elements having similar properties repeat at regular intervals, it is called periodicity in the properties of elements.
Classification of Elements is Necessary because it helps in understanding and remembering elements' properties better, you can understand how elements react or behave, and can guess properties of unidentified or newly discovered elements.
Taking an Exam? Selecting a College?
Get authentic answers from experts, students and alumni that you won't find anywhere else
Sign Up on ShikshaOn Shiksha, get access to
- 65k Colleges
- 1.2k Exams
- 688k Reviews
- 1800k Answers