Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 12-science Answered

WHAT ARE ISOTONES AND ISOTOPES CORRECT DEFINITION?
Asked by sharonashoksp | 27 Jun, 2021, 02:44: PM
answered-by-expert Expert Answer
Isotones :-
Elements having same number of neutrons but differ in number of protons are called Isotones.
 
example :-  begin mathsize 14px style K presubscript 19 presuperscript 39 end style and  begin mathsize 14px style C presubscript 20 presuperscript 40 a end style
In above example, atmic number of  Pottasium is 19 and mass number is 39 . Hence  begin mathsize 14px style K presubscript 19 presuperscript 39 end style has 19 protons and 20 neutrons
Atomic number of Ca is 20 and its mass number is 40. Hence begin mathsize 14px style C presubscript 20 presuperscript 40 a end style has 20 protons and 20 neutrons.
Since both these elements have same number of neutrons, these elements are called isotones .
 
---------------------------------------------------------------------
 
Isotopes :-
 
Elements having same number of protons but differ in number of neutrons are called Isotopes.
 
example :-  begin mathsize 14px style U presubscript 92 presuperscript 235 end style  and  begin mathsize 14px style U presubscript 92 presuperscript 238 end style
In above example , atomic number of Uranium is 92 , hence both of these elements have same 92 protons ,
but their neutron numbers differ.


Answered by Thiyagarajan K | 27 Jun, 2021, 03:59: PM
CBSE 12-science - Physics
Asked by akashjyani705 | 06 Mar, 2022, 04:39: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by sharonashoksp | 27 Jun, 2021, 02:44: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by gaurish6247 | 07 Apr, 2021, 05:16: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by prerna.naga | 09 May, 2019, 08:51: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by kumarisakshi0209 | 17 Mar, 2019, 02:54: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by Amandeepsinghbedi26 | 26 Sep, 2018, 01:52: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by Topperlearning User | 28 May, 2015, 09:51: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by Topperlearning User | 28 May, 2015, 09:53: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by Topperlearning User | 28 May, 2015, 10:06: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
Get Latest Study Material for Academic year 24-25 Click here
×