gasser
metaller
væsker
antal elektroner
kemiske symboler
100

N

kvælstof

100

Al

aluminium

100
B

Bor

100

Calcium

20

100

hydrogen

H

200

O

ilt

200

In

indium

200

C

Carbon

200

Vanadium

23

200

Oxygen

O

300

Cl

Clor

300

Sn

tin

300

P

phosphor

300

Ruthenium

44

300

radium

Ra

400

Kr

krypton

400

Sb

antimon

400

Br

brom

400

Holmium

67

400

dubnium

Db

500

Xe

Xenon
500

Tl

thallium

500

Cl

clor

500

Thulium

69

500

meitnerium

Mt