Question

Assertion(A): Sodium belongs to IIA group.
Reason(R): The electronic configuration of Sodium is 1s² 2s² 2p⁶ 3s¹
a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true and R is not the correct explanation of A
c) A is correct and R is incorrect
d) A is incorrect and R is correct

✿ᴍɪꜱꜱ.ᴀɴɴᴀ✿​
ʙʜᴛ ʙᴜꜱʏ ʜᴀɪ ꜱᴀʙ ❛⏜❜​

Answer 1

Explanation:

option A is correct may be

please mark as brainlist

Answer 2

Answer:

Audio-visual media are an important source for writing the history of modern India. This statement is true because audio-visual media has the unique ability to create visual stimulation for the one who is learning or analyzing the history