Question

1 to 18 atomic number and elements name and electronic configuration dum hai toh karke dikhao

Answer 1

hey!!!

the electronic configuration of the first 18 elements are

1)hydrogen-1s¹

2)helium-1s²

3)lithium-1s² 2s¹

4)berilium-1s² 2s²

5)boron-1s² 2s²2p¹

6)carbon-1s² 2s²2p²

7)nitrogen-1s² 2s²2p³

8)oxygen-1s² 2s²2p⁴

$9)flourine \: = 1 {s}^{2} 2 {s}^{2} 2 {p}^{5}$
10)
$neon = 1 {s}^{2} 2 {s}^{2} 2 {p}^{6}$
11)sodium-[Ne]3s¹

12)magnesium-[Ne]3s²

13)alluminium-[Ne]3s²3p¹

14)silcon-[Ne]3s²3p²

15) phosphorus-[Ne]3s²3p³

16)sulphur-[Ne]3s²3p⁴

17)chlorine-[Ne]3s²3p^5

18)argon-[Ne]3s²3p^6


I hope this helps you ;)