Gases can be elements or compounds. The elements that are gases at room temperature are hydrogen, nitrogen, oxygen, fluorine, chlorine and all of the noble gases. Fluorine is also the most reactive nonmetal. Answer and Explanation: The formula for fluorine gas is F2. ...
What is the state of water at room temperature? A. solid B. liquid C. gas D. plasma 相关知识点: 试题来源: 解析 B。在室温下,水是液态。水在 0 摄氏度以下是固态;100 摄氏度以上是气态;通常情况下不是等离子态。本题考查物质的状态。
What is the phase of einsteinium at room temperature? What state of matter is germanium? What state is I2 (iodine) at room temperature and do you have to put the state after the element name when naming diatomic elements? What is the electron configuration for argon?
7 At room temperature and pressure, H2O is a liquid and H2S is a gas.What is the reason for this difference?C A O has higher first and second ionisation energies than S. B The covalent bond between O and H is stronger than the covalent bond between S and H. C There is significant...
2. What are the speakers talking about? A. A new book. B. A morning paper. C. An African teacher. 3. How does the woman probably feel now? A. Regretful. B. Anxious. C. Confused. 4. Where does the conversation take place?
Gas is air that collects in your digestive system (stomach or intestines). Bloating is the tight, full feeling you get from too much gas.What are common causes for gas and bloating?Swallowing air while you eat, drink, chew gum, or smoke cigarettes Certain foods such as pasta, beans, ...
Elkem's silicones aims to provide easy accessibility to our products through our network of distribution and channel partners for the convenience of our customers. More about this topic Contact us Take your business to the next level by partnering with a world-leading material manufacturer. ...
Design parts, assemblies, or systems with the need to optimize fluid or gas behavior where physical prototypes just aren't feasible. Small- and large-scale simulations on fluid systems such as HVAC, datacenters, wind tunnels, and pipe designs are the most efficient options for finding optimal ...
vacuums, the concept of temperature begins to break down, so it's not quite as straightforward as that. Thermodynamic temperature is a statistic that can only be described meaningfully in the thermodynamic limit (i.e., assumes many particles are present). Since a vacuum is a rarefied gas ...
Note:The metals have a number of characteristics in common, including being solid at room temperature (with the exception of mercury) and being usually lustrous. The melting point is really high. An excellent heat conductor and a good electrical conductor....