What makes for human skeleton hard and strong is the presence of the metallic element calcium.这里的make 用的对么 扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 解答一 举报 make 即是及物也是不及物vt.制造,安排,使成为,认为,产生,获得,进行,构成vi.开始,前进,增大,被制造,被处理你这个...
What does the atomic number of an element represent? What is the heaviest alkali metal? What chemical element is Ni? What is the fourth element on the periodic table? What is a metallic solid? What metallic element is found in limestone?
Which element below has the most metallic character? (a) Iron (Fe) (b) Potassium (K) (c) Gallium (Ga) (d) Fluorine (F) (e) Boron (B) What does the atomic number of an element tell you? What element from the first 10 elements would be most similar in pro...
regularly comes in contact with moisture or water. We need to alloy the mild steel with an element that prevents the corrosive reaction between the highly reactive oxygen and the helpless iron. More precisely, we need an element that reacts with oxygenbeforeiron does. This element is chromium....
The chemical element plutonium is classed as an actinide metal. What is the meaning of fermium? : a radioactive metallic element produced artificially (as by bombardment of plutonium with neutrons) — see Chemical Elements Table. What are Group 7 elements called? Group 7A (or VIIA) of the pe...
atensioned metallic element 被拉緊的金屬元素[translate] a자기가 진심으로 날 사랑하고 걱정했었다는걸 알고 있어요.단지 당황스러워서...지금 외출해서 볼일 보는중이라...집에서 다시 보낼게요.^^ 自已...
Superconductor is an element, inter-metallic alloy, or a compound that conducts electricity without resistance below a certain temperature. Once set in motion, electrical current will flow forever in a closed loop of a superconducting material. ...
Alloys- mixtures in which the main element (or, usually, elements) are metal(s). A more technical definition of an alloy is 'a partial or complete solid solution of one or more elements in a metallic matrix'. Common examples of alloys include bronze, brass and steels. When alloys are sp...
An element has a density of 19.5 g/cm3. What is the radius of a sphere that has a mass of 60 kg of this material? A lead atom has a mass of 3.4 x 10^-9 g. How many lead atoms are in a cube of lead that has a volume of 2....
What makes for human skeleton hard and strong is the presence of the metallic element calcium.这里的make 用的对么 扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 解答一 举报 make 即是及物也是不及物vt.制造,安排,使成为,认为,产生,获得,进行,构成vi.开始,前进,增大,被制造,被处理你这个...