Nonmetal
Metal
Metal
Metal
Impossible
100

F

Fluorine

100

Li

Lithium

100

Sn

Tin

100
Os

Osmium

100

La

Lanthanum

200
Br

Bromine

200

Ra

Radium

200

W

Tungsten

200

Rh

Rhodium

200

At

Astatine

300

I

Iodine

300

Mn

Manganese 

300

V

Vanadium

300

Pd

Palladium

300

Xe

Xenon

400

Ar

Argon

400

Cr

Chromium

400

Ir

Iridium

400

Cd

Cadmium

400

Cf

Californium

500

Xe

Xenon

500

Hf

Hafnium

500

Hs

Hassium

500
Rf

Rutherfordium

500

Lr

Lawrencium