periodic table: elements till Z=30 Flashcards
1
Q
1
A
hydrogen H 1s¹
2
Q
2
A
helium He 1s²
3
Q
3
A
lithium Li {He}2s¹
4
Q
4
A
beryllium Be {He}2s²
5
Q
5
A
boron B {He}2s²2p¹
6
Q
6
A
carbon C {He}2s²2p²
7
Q
7
A
nitrogen N {He}2s²2p³
8
Q
8
A
oxygen O {He}2s²2p⁴
9
Q
9
A
fluorine F {He}2s²2p⁵
10
Q
10
A
neon Ne {He}2s²2p⁶
11
Q
11
A
sodium Na {Ne}3s¹
12
Q
12
A
magnesium Mg {Ne}3s²
13
Q
13
A
aluminium Al {Ne}3s²3p¹
14
Q
14
A
silicon Si {Ne}3s²3p²
15
Q
15
A
phosphorus P {Ne}3s²3p³
16
Q
16
A
sulphur S [Ne]3s²3p⁴
17
Q
17
A
chlorine Cl [Ne]3s²3p⁵
18
Q
18
A
argon Ar [Ne]3s²3p⁶
19
Q
19
A
potassium K [Ar]4s¹
20
Q
20
A
calcium Ca [Ar]4s²
21
Q
21
A
scandium Sc [Ar]4s²3d¹
22
Q
22
A
titanium Ti [Ar]4s²3d²
23
Q
23
A
vanadium V [Ar]4s²3d³
24
Q
24
A
chromium Cr [Ar]4s²3d⁴
25
Q
25
A
manganese Mn [Ar]4s²3d⁵
26
Q
26
A
iron Fe [Ar]4s²3d⁶
27
Q
27
A
cobalt Co [Ar]4s²3d⁷
28
Q
28
A
nickel Ni [Ar]4s²3d⁸
29
Q
29
A
copper Cu [Ar]4s²3d⁹
30
Q
30
A
zinc Zn [Ar]4s²3d¹⁰
31
Q
from which subshell does an electron leave from in a transition metal
A
first from 4s then from 3d
