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Gray, or metallic arsenic, pictured under an argon atmosphere. Gray arsenic, also called grey arsenic or metallic arsenic, is the most stable allotrope of the element at room temperature, and as such is its most common form. [1] This soft, brittle allotrope of arsenic has a steel gray, metallic color, and is a good conductor. [2]
Arsenic is also a common n-type dopant in semiconductor electronic devices, and a component of the III–V compound semiconductor gallium arsenide. Arsenic and its compounds, especially the trioxide, are used in the production of pesticides, treated wood products, herbicides, and insecticides. These applications are declining with the ...
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Yesterday's Guys Used No Arsenic (Spanish: Los Muchachos de antes no usaban arsénico) is a 1976 Argentine black comedy crime film directed by José A. Martínez Suárez. The film was selected as the Argentine entry for the Best Foreign Language Film at the 49th Academy Awards , but was not accepted as a nominee.
العربية; Azərbaycanca; تۆرکجه; বাংলা; 閩南語 / Bân-lâm-gú; Беларуская; Български; Català; Čeština; Deutsch ...
Arsenic and Old Lace is a 1944 American screwball black comedy crime film directed by Frank Capra and starring Cary Grant. The screenplay by Julius J. Epstein and Philip G. Epstein is based on Joseph Kesselring's 1941 play of the same name. [3] The contract with the play's producers stipulated that the film would not be released until the ...
Arsenic (33 As) has 32 known isotopes and at least 10 isomers. Only one of these isotopes, 75 As, is stable; as such, it is considered a monoisotopic element. The longest-lived radioisotope is 73 As with a half-life of 80 days.
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