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Our question at the beginning of this essay was "are there more elements to be discovered?" The next elements would be ununennium (atomic number 119) and unbinilium (atomic number 120). The problems in trying to produce these elements by accelerating an ion beam into a target are the short half-lives of possible target elements and the extended times required for a successful observation of a new element. So far, elements 119 and 120 have eluded discovery. But you can expect that scientists will continue to search for new elements.

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Learning the very complicated chemistries necessary to reproduce reality into a picture using light

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They general­ly occur in the earth in what are called veins, and are seldom found in the pure metallic state, but generally in combination with some other substance, in which state they are call­ed ores.

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Our professor then reminded us that a hydrogen ion is merely a proton, and thus we should think about acid-base theory as we consider this problem further.

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Towards the following morning, the thermometer fell to 5°; and at daylight, there was not an atom of water to be seen in any direction.

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‘I will convince you that I do know [my duty] by clapping you for the remainder of the night into the black hole, young gentleman, do you see, and have no doubt but the air of that agreeable apartment will restore your senses.’

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Pliny addeth this ſingularity to the Indian ſoil, that it is without weeds, that the second year the very falling down of the seeds yieldeth corn.

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The dance of the electrons about the prota, each electron and each proton consisting of a series of waves occupying the whole of the limited universe and obeying the laws of nature as they pass, is known to all.

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Meronym: ethology

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The orbital planes of asteroids, minor bodies that circle the Sun mainly between the orbits of Mars and Jupiter, are often more tilted ...

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Near-synonyms: life science, life sciences; see also Thesaurus:biology

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Holonyms: dinitrogen, N₂, nitrogen (loose sense)

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From Keighley onwards we had obviously returned to civilisation, for the surrounding country was now studded with the sodium street lights of suburbia and a thickening industrial haze was blotting out the moon.

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Holonyms: dioxygen, O₂, oxygen (loose sense)

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The isolated disordered regions and the amorphous layer have widely different anneal behavior. In the case of germanium and silicon, the isolated disordered regions anneal at moderate temperatures of approximately 200° and 300° C, respectively. The amorphous layers also anneal in a characteristic fashion, but at appreciably higher temperatures, i.e., at approximately 600° C in silicon and 400° C in germanium.

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Cattle emit a large amount of methane.

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Newtonian physics was extended by Einstein to explain the effects of travelling near the speed of light; quantum physics extends it to account for the behaviour of atoms.

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Near-synonym: serendipity

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Although the Citadel is equipped with mass-effect-generating element-zero cores, most of the gravity on the station is generated by the centrifugal force of rotation.

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a. 1618, Walter Raleigh, quoted in Eclipse, entry in 1805, Samuel Johnson, A Dictionary of the English Language, Volume 2, unnumbered page, All the posterity of our first parents suffered a perpetual eclipse of spiritual life.