Atomic and nuclear properties of materials:
Neon gas (Ne)

Quantity	Value	Units	Value	Units
Atomic number	10
Atomic mass	20.1797(6)	g mole-1
Specific gravity (20° C, 1 atm)	8.39E-04	g cm-3
Mean excitation energy	137.0	eV
Minimum ionization	1.724	MeV g-1cm2	1.446E-03	MeV cm-1
Nuclear collision length	65.7	g cm-2	7.837E+04	cm
Nuclear interaction length	99.0	g cm-2	1.181E+05	cm
Pion collision length	91.8	g cm-2	1.095E+05	cm
Pion interaction length	128.7	g cm-2	1.534E+05	cm
Radiation length	28.93	g cm-2	3.450E+04	cm
Critical energy	67.02	MeV (for e-)	65.47	MeV (for e+)
Molière radius	9.15	g cm-2	1.092E+04	cm
Plasma energy	0.59	eV
Muon critical energy	907.	GeV
Melting point	24.56	K	-248.6	C
Boiling point @ 1 atm	27.07	K	-246.1	C
Index of refraction (@ STP, Na D)	67.1	(n-1)x106

For muons, dE/dx = a(E) + b(E) E. Tables of b(E): PS PDF TEXT
Table of muon dE/dx and Range: PS PDF TEXT
Explanation of some entries
Table of isotopes Warning: may not be current
x ray mass attenuation coefficients