Gases:A gas is one of the states of matter; the others are solids, liquids, and plasma. Gases expand or compress to fill any volume. Many are odorless although hydrogen sulfide smells like rotten eggs.Answer and Explanation: At standard temperature and pressure, several elements are in a ...
What are native elements composed of? How many native elements are there? Do native elements only contain one element? What are natural elements? What is the difference between native elements and compounds? What are all the natural elements?
Why are zero group elements called noble gases or inert gases? View Solution What are noble gases ? Why are they so named ? View Solution Exams IIT JEE NEET UP Board Bihar Board CBSE Free Textbook Solutions KC Sinha Solutions for Maths ...
Elements with names ending with -genare nonmetals that are gases in pure form at room temperature. Elements that have names ending with -inebelong to a group of elements called halogens. Halogens are extremely reactive and readily form compounds. Element names ending with -onare noble gases, ...
there are considerable dangers associated with using chemical elements stored under pressure. Explosion of cylinders is one of the most common hazards, a malfunction that's usually caused by mechanical damage or over-pressurisation. The high flammability of compressed gases like liquefied petroleum gas...
1 完形填空 What are the basic elements of good manners?Certainly a strong sense of justice is one; courtesy is often 1 more than a highly developed sense of fair play.A friend of mine once told me of 2 along o one-lane(单行道),unpaved mountain road. 3 was another car that produced ...
【题目】What are the basic elements o f goo d ma nners? Certainly a strong sense o f justice is on e. Courtesy(礼貌) is often 16 more han, a highly develoned, sense o f fair play.A frien d o f mine once tol d me o f 17 along a one -lane(单行道),unpaved(未铺好的)-...
Video Solution Struggling with P Block Elements ? Get free crash course | ShareSave Answer Step by step video & image solution for What are noble gases ? Why are they so named ? by Chemistry experts to help you in doubts & scoring excellent marks in Class 12 exams.Updated on:21/07/202...
Magma contains various elements and compounds, 岩浆里含有各种各样的 元素和化合物, many of which are dissolved in the molten rock. 其中许多都溶解在熔融的岩石中。 At high enough concentrations, compounds like water or sulfur no longer dissolve, 达到足够高的浓度之后, 水或硫这类化合物将不再溶解,...
Inert Gases don't readily react with other elements; Noble Gases are a specific group of inert gases in the periodic table's Group 18.