Oxygen is a/an ___. A. element B. compound C. mixture D. solution 相关知识点: 试题来源: 解析 A。氧是一种元素。选项 A“element”是元素,氧是元素;选项 B“compound”是化合物;选项 C“mixture”是混合物;选项 D“solution”是溶液。反馈 收藏 ...
Hope that they will never like the album name as most red 现在, 2NE1一个新的册页(最普遍的I `M最佳)。 希望他们最不会喜欢册页名字作为红色 [translate] aA binary compound that is formed by oxygen and another element 由氧气和另一个元素形成的二元化合物 [translate] ...
The present invention relates to catalysts which comprise element(s) of group IB, and element(s) and/or compound(s) of the transition metals, with or without support. The catalyst are activated with O.sub.2 and/or oxygen containing compound(s) or the mixture of oxygen and/or oxygen ...
electronegativity and electron affinity of any element; the values of these properties then decrease sharply for the remaining members of the group to the extent that tellurium and polonium are regarded as predominantly metallic in nature, tending to lose rather than gain electrons in compound ...
and metallic. Oxygen supports combustion, combines with most elements, and is a component of hundreds of thousands of organic compounds. Ozone (O3), a highly active compound with a name derived from the Greek word for 'I smell', is formed by the action of an electrical discharge or ultravio...
compoundsby reaction with practically any other element, as well as by reactions that displace elements from their combinations with each other; in many cases, these processes are accompanied by the evolution of heat and light and in such cases are called combustions. Its most importantcompoundis...
What immediatelycatches the careful reader's eyeis thatthe term elementis applied only to the first class of substances, and throughout the book only the members of this category are calledelements or principles, the other members of the table being called either simple bodies or “oxydable or...
PURPOSE:To achieve a higher mounting property as compared with a planar sensor element, by using a cylindrical insulating substrate having a recess at the tip thereof while two electrodes are arranged separately along the side wall of the recess to provide an oxide semiconductor layer between the ...
An oxygen sensor element is made up of being unitized with the conventional lead terminal. Accordingly, this oxygen sensor element is mechanically held by a seal plate 9. In addition, since a positive electrode film 2a, a negative electrode film 2b, conductive films 91, 92 and these thick ...
百度试题 结果1 题目6 .Wate ri s acompound containin gth eelement sh and oxygen. 相关知识点: 试题来源: 解析 6 .Wate ri s acompoun dcontainin gth eelement sh hydrogen and oxygen. 反馈 收藏