# Molecular weights from https://www.nist.gov/pml/atomic-weights-and-isotopic-compositions-relative-atomic-masses.
# Density source: https://en.wikipedia.org/wiki/Sodium_chloride
# Material composition source: same as density

# Material name:
# sodium chloride (NaCl)

# Number of elements:
2

# Density:
2.170000

# Atomic number(s) and corresponding mass fraction(s):
11    0.393382    # sodium
17    0.606618    # chlorine
