Chemistry

Number

63

Element number 1

Hydrogen

125

Chlorine

17

250

Atomic number 26

Iron

500

Atomic number 79

Gold

1000

Atomic number of Bohrium

207

Molecules

63

O2

Oxygen Gas

125

O3

Ozone

250

Propane

C3H8

500

C12H22O11

Sucrose

1000

The number of Methyl radicals in Methyl 2-Heptanol (Isooctanol)

8

Isotopes

63

Uranium 235

Weapons Grade Uranium

125

Lead 206

Stable Isotope of Lead

250

Isotope of Hydrogen with a half life of ~12 years

Tritium (H3)

500

Most abundant isotope of Plutonium

239

1000

The heaviest known isotope of oganesson

Og297

R.A.M.

63

1.008

Hydrogen

125

209

Bismuth

250

Francium

223

500

RAM of Xenon

131.29

1000

polonium

[209]

Symbol

63

C

Carbon

125

Magnesium

Mg

250

Cs

Caesium

500

Atomic symbol for Mercury

Hg

1000

Lawrencium’s former symbol

Lw, now Lr