Recognised as Musical note
F8
- F8
- 5,587.65 Hz
- MIDI 113
F8 is MIDI note 113, sounding at 5,587.652 Hz in equal temperament with A4 = 440 Hz. Its wavelength in air is 0.0614 m, and it sits in octave 8.
Pitch
Scientific pitch notationF8
MIDI note number113
Pitch classF (5)
Octave8
As a sound wave
Wavelength in air0.0614 mat 343 m/s, dry air at 20 °C
Period0.179 ms
Frequency one octave down2,793.826 Hz
AudibleYeshuman hearing runs roughly 20 Hz to 20 kHz and narrows with age
Intervals from here
Octave belowF7 · 2,793.83 Hz
Perfect fifth belowA#7 · 3,729.31 Hz
Semitone belowE8 · 5,274.04 Hz
Semitone aboveF#8 · 5,919.91 Hz
Major third aboveA8 · 7,040 Hz
Perfect fifth aboveC9 · 8,372.02 Hz
Octave aboveF9 · 11,175.3 Hz
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Also reads as
NOTeF8 (chemical formula)
- Formula
- 309.59 g/mol
- 11 atoms
NOTeF8 has a molar mass of 309.59 g/mol, made up of 11 atoms across 4 elements: 1 × N, 1 × O, 1 × Te, 8 × F.
Molar mass
Molar mass309.59 g/mol
Total atoms per molecule11
Distinct elements4
Mass of one molecule5.1408629 × 10^-22 g
Molecules per gram1.9451987 × 10^21
Name
NameNot in the name tablea name cannot be worked out from a formula alone: isomers share formulas, and naming depends on bonding the formula does not show
Composition by mass
N4.5%
O5.2%
Te41.2%
F49.1%
Nitrogen (N)14.007 g/mol, 4.524%
Oxygen (O)15.999 g/mol, 5.168%
Tellurium (Te)127.6 g/mol, 41.216%
Fluorine (F × 8)151.984 g/mol, 49.092%
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