Question

0
Assertion (A) : Boron has a smaller first ionisation enthalpy than beryllium
Reason (R): The penetration of a 2s electron to the nucleus is more
electron​

Answer 1

Answer:

both the assertion and reason are true. if the question is like I given below

the correct question :

Assertion (A) : Boron has a smaller first ionisation enthalpy than beryllium

Reason (R) The penetration of a 2s electron to the nucleus is more than the 2p electron.

no problem I have

answered ur question ✌

here after give proper quetsion pls...

Answer 2

Answer:

this is your answer

Explanation:

hope it helps