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Pythagoras said the world was made of numbers; Democritus insisted upon atoms; Empedocles, four primordial elements — fire, air, water, earth.
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The shortest-lived isotope of lithium is 4Li, which decays through proton emission and has a half-life of 7.6 × 10−23 s. 7Li is one of the primordial elements (or, more properly, primordial nuclides) produced in Big Bang nucleosynthesis.
The four lightest chalcogens (oxygen, sulfur, selenium, and tellurium) are all primordial elements on Earth.
Minerals are essential nutrients for animals as primordial elements for structural tissues and metabolic reactions.
6 The poet must spend himself with warmth, glamour and prodigality to increase the enthusiastic fervour of the primordial elements.
Mr. Nézet-Séguin, in his first season as the orchestra's music director, strongly emphasized the music's primordial elements.
Usually beginning with the creation of the world from primordial elements, they attempt to link the Indian and Tibetan rulers with the house of Genghis Khan.
The primordial elements correspond in a sense to those of modern physics insofar as the single elements can have independent existence or activity of their own and can therefore be known directly by way of experiment.
The other 14 naturally occurring elements occur only in decay chains of primordial elements.
Giant clouds of these primordial elements later coalesced through gravity to form stars and galaxies.
Giant clouds of these primordial elements later coalesced through gravity to form stars and galaxies, and the heavier elements were synthesized either within stars or during supernovae.
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