Superconductor: without transition tempperature

Elements have no (known) transition tempperature. Examples are hydrogen and other elements of the 1st main group, all noble gases as well as many elements of the lanthanides and actinides.

1H
Hydrogencolorless gas (H2)
2He
Heliumcolorless gas, exhibiting a gray, cloudy glow
9F
Fluorinevery pale yellow (gas); bright yellow (liquid); alpha is opaque, beta is transparent (solid)
10Ne
Neoncolorless gas exhibiting an orange-red glow when placed in an electric field
11Na
Sodiumsilvery white metallic
12Mg
Magnesiumshiny grey solid
17Cl
Chlorinepale yellow-green gas
18Ar
Argoncolorless gas exhibiting a lilac/violet glow when placed in an electric field
19K
Potassiumsilvery white, faint bluish-purple hue when exposed to air
25Mn
Manganesesilvery metallic
27Co
Cobalthard lustrous bluish gray metal
28Ni
Nickelglänzend, metallisch, silbrig
29Cu
Copperred-orange metallic luster
36Kr
Kryptoncolorless gas, exhibiting a whitish glow in an electric field
37Rb
Rubidiumgrey white
47Ag
Silverlustrous white metal
54Xe
Xenoncolorless gas, exhibiting a blue glow when placed in an electric field
59Pr
Praseodymiumgrayish white
60Nd
Neodymiumsilvery white
62Sm
Samariumsilvery white
63Eu
Europiumsilvery white, with a pale yellow tint; but rarely seen without oxide discoloration
64Gd
Gadoliniumsilvery white
65Tb
Terbiumsilvery white
66Dy
Dysprosiumsilbrig weiß
67Ho
Holmiumsilvery white
68Er
Erbiumsilvery white
69Tm
Thuliumsilvery gray
70Yb
Ytterbiumsilvery white; with a pale yellow tint
78Pt
Platinumsilvery white
79Au
Goldmetallic yellow
85At
Astatineunknown, probably metallic
86Rn
Radoncolorless gas
88Ra
Radiumsilvery white metallic
89Ac
Actiniumsilvery-white, glowing with an eerie blue light; sometimes with a golden cast
93Np
Neptuniumsilvery metallic
94Pu
Plutoniumsilvery white, tarnishing to dark gray in air
96Cm
Curiumsilvery metallic, glows purple in the dark
99Es
Einsteiniumsilvery; glows blue in the dark