Osialfecanakmg

Osialfecanakmg is an acronym made up of the chemical symbols of the 8 most abundant elements in the Earth's crust. Because they are so important, geologists sometimes refer to the elements named below as the BIG 8.

Element Volume proportions are:

Oxygen (O): 46.6%
Silicon (Si): 27.7%
Aluminum (Al): 8%
Iron (Fe): 5%
Calcium (Ca): 3.6%
Sodium (Na): 2.8%
Potassium (K): 2.6%
Magnesium (Mg): 2.1%

Science mnemonics
All Students Take Calculus CHON Clorpt ESCAPPM FBI Left-hand rule Right-hand rule FOIL Four Fs List of chemistry mnemonics Mnemonics in trigonometry Osialfecanakmg PEMDAS Piphilology Planetary mnemonic SCORPAN Taxonomy mnemonic Thermodynamic square Xyzzy

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