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单词 metalloid
例句 metalloid
"Arsenic is a metalloid that is present in all parts of the environment," Labay told Salon. The unsolved mystery of the president who may have been assassinated with arsenic 2023-03-05T05:00:00Z
The metalloids are boron, silicon, germanium, arsenic, antimony, and tellurium. Chemistry 2019-02-14T00:00:00Z
Those waters generally contain dissolved metals or metalloids which may include lead, copper, silver, manganese, cadmium, iron, zinc and mercury, among others. Abandoned mines’ threat to drinking water remains unknown 2020-08-29T04:00:00Z
Heavy metals and metalloids like chromium, lead and arsenic accounted for 54 percent of the total pollutants, it said. China soil pollution efforts stymied by local governments: Greenpeace 2019-04-16T04:00:00Z
Researchers at Yale University, led by Prof Thomas Graedel, analysed the use of 62 metals or metalloids commonly found in popular technology, such as smartphones. Warning over rare metals in gadgets 2013-12-06T13:24:57Z
Arsenic, a highly toxic element that resembles a metal but which is technically a metalloid, was an easily accessible poison in the mid-19th century; its poisonous properties were widely known. The unsolved mystery of the president who may have been assassinated with arsenic 2023-03-05T05:00:00Z
For example, the pure metalloids form covalent crystals like the nonmetals, but like the metals, they generally do not form monatomic anions. Chemistry 2019-02-14T00:00:00Z
Arsenic is also a highly toxic metalloid and causes multiple organ failure. Labs shut after student poisoning 2012-09-14T19:25:11Z
Hence the absence of the lines of oxygen and other metalloids, carbon and silicon excepted, among the vast crowd of lines in the solar spectrum. Pioneers of Evolution from Thales to Huxley With an Intermediate Chapter on the Causes of Arrest of the Movement 2012-04-26T02:00:14.960Z
Tellurium, te-lū′ri-um, n. an element by some classed as a metal, placed by others among the metalloids, brittle and crystalline, of high metallic lustre, bluish-white in colour, with close analogies to sulphur and selenium.—n. Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) 2012-01-30T03:00:19.113Z
The pottery is of a chocolate brown, with a fine metalloid glaze like bronze or tortoiseshell. The Collector's Handbook to Keramics of the Renaissance and Modern Periods 2011-02-28T03:00:33.843Z
In this section, we will briefly discuss the chemical behavior of metalloids and deal with two of these elements—boron and silicon—in more detail. Chemistry 2019-02-14T00:00:00Z
What is the cause of the absence of metalloids in the Sun? The Scientific Basis of National Progress Including that of Morality 2010-12-30T03:00:25.567Z
Can I be 1,057th pedant to point out that contrary to what was reported in yesterday's Fiver, silicon is not a heavy metal but a relatively light metalloid. The Fiver: Bob Nudd, and Hamburger Phone 2010-07-29T15:35:00Z
The general result of Rowland's labours was the establishment among solar materials, not only of these two out of the fourteen metalloids, or non-metallic substances, but of thirty-three metals, including silver and tin. A Popular History of Astronomy During the Nineteenth Century Fourth Edition
They are divided into metalloids and metals—a difference in which, the author observes, there is "nothing absolute." Bouvard and Pécuchet A Tragi-comic Novel of Bourgeois Life
In addition to the representative metals, some of the representative elements are metalloids. Chemistry 2019-02-14T00:00:00Z
The transparency of the elementary gases and metalloids — of oxygen, hydrogen, nitrogen, chlorine, iodine, bromine, sulphur, phosphorus, and even of carbon, for the invisible heat rays is extraordinary. Fragments of science, V. 1-2
In the converters the metalloids—silicon, manganese, and carbon—are burned out of the iron under a flaming heat which, by means of high air pressure, is brought to a temperature of about 3400 degrees. American Adventures A Second Trip 'Abroad at home'
This kind of absorption is produced by the vapours of metalloids or of compound substances. A Popular History of Astronomy During the Nineteenth Century Fourth Edition
Half of the third case, and cases 4, 5, and 6 in this room, are covered with various electro-negative metals and metalloids, classed according to the system laid down by Berzelius. How to See the British Museum in Four Visits
A metalloid is an element that has properties that are between those of metals and nonmetals; these elements are typically semiconductors. Chemistry 2019-02-14T00:00:00Z
Babet, Dental Artist, Member of the Academies, makes physical experiments on metals and metalloids, extracts teeth, undertakes stumps abandoned by his brother practitioners. Les Misérables
It contains no garnet or amphibole, but metalloid diallage disseminated in the mass. Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 3
For some unknown reason, metalloids tend to become effaced, as metals, in the normal course of stellar development, exert a more and more conspicuous action. A Popular History of Astronomy During the Nineteenth Century Fourth Edition
Is it owing to sulphurets of calcium, of magnesium, or other earthy metalloids, contained in the interior of our planet, under its rocky and oxidated crust? Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 2
The metalloid boron exhibits many similarities to its neighbor carbon and its diagonal neighbor silicon. Chemistry 2019-02-14T00:00:00Z
This I afterwards ascertained beyond doubt to be a metalloid alloy whereof the principal ingredient was aluminium, or some substance so closely resembling it as not to be distinguishable from it by simple chemical tests. Across the Zodiac
I found no traces of this grey copper: it is probably the metalloid diallage that has given the Cerro de Guanabacoa the reputation of riches in gold and silver which it has enjoyed for ages. Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 3
The metal known as calcium bronze, which is now so common, is an alloy of calcium, 0.75; aluminium, 0.20; and 0.05 of other metals and metalloids in varying proportions according to different patents. The Dominion in 1983
This chapter explores important properties of representative metals, metalloids, and nonmetals in the periodic table. Chemistry 2019-02-14T00:00:00Z
These elements are representative metals, metalloids, and nonmetals. Chemistry 2019-02-14T00:00:00Z
Nonmetals are shown in green, metalloids in purple, and the transition metals and inner transition metals in blue. Chemistry 2019-02-14T00:00:00Z
The remaining elements of the group, silicon and germanium, are examples of semimetals or metalloids. Chemistry 2019-02-14T00:00:00Z
The metalloid silicon readily forms compounds containing Si-O-Si bonds, which are of prime importance in the mineral world. Chemistry 2019-02-14T00:00:00Z
Note the background color denotes whether an element is a metal, metalloid, or nonmetal, whereas the element symbol color indicates whether it is a solid, liquid, or gas. Chemistry 2019-02-14T00:00:00Z
This category includes all the nonmetallic elements, as well as many metals and the metalloids. Chemistry 2019-02-14T00:00:00Z
Elements can be classified as metals, metalloids, and nonmetals, or as a main-group elements, transition metals, and inner transition metals. Chemistry 2019-02-14T00:00:00Z
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