Which of the following statements applies to acids,bases,and salts!A.Their solutions conduct electricityB.They react with chemical indicatorsC.They cause litmus paper to change colourD.They react with metals to produce hydrogen gas请翻译一下问题和最后一个选项,下面那位在写些什么看不懂 答案 问题...
All the six Group 2 elements react with oxygen to form oxides, though not as readily as the Group 1 elements. The reaction requires heat. The following equation shows how Magnesium (Mg) would react with oxygen (O2) 2Mg + O2⟶ 2MgO ...
The basis of reactivity is the tendency of metals to lose electrons. If a metal can lose electrons easily to form positive ions, it will react readily with other substances. Therefore, it will be a reactive metal. On the other hand, if a meal loses electrons less rapidly to form...
Metals Used to Make Metal WashersStainless SteelStainless steel is an excellent choice for washer manufacturing due to its numerous beneficial properties. As a steel alloy containing chromium, stainless steel is highly resistant to rust and corrosion. The chromium reacts with oxygen and moisture to ...
Like the alkali metals, the alkaline earth metals react with acids and water to produce hydrogen gas. These reactions, however, are less intense than are those with the alkali metals. Alkaline earth metals also react vigorously with oxygen. Magnesium burns so actively in air, for example, that...
What are reactive and unreactive metals? Reactive metals lose electrons easily and produce vigorous (explosive or potentially dangerous) reactions with water or acids. Unreactive metals do not lose electrons easily and are inert under normal conditions and with substances they are likely to encounter...
Why do metals when reacting with oxygen are called oxides like " magnesium oxide" whereas nonmetals reacting with oxygen become dioxides like "carbon dioxides", note that the two react with oxygen whi Give reasons why most of the compounds formed by transition elements are colored. ...
In most cases, corrosion of metals takes place through the interaction with electrochemical cells that causes different forms of corrosion reactions [95], [96]. First, general (uniform) corrosion occurs when the entire surface of the metal are exposed to the cathodic reactants during the ...
Metals can be magnetic and non-magnetic. The magnetic ones will produce a field around them, usually described as “ferromagnetic.” These metals are not magnetic by themselves in their natural state. Still, they can be attracted to objects that produce magnetic fields. ...
with nonmetals like oxygen, fluorine, and sulfur that have high electronegativities. This results in a melt and boiling point higher than the norm because of the strong ionic bonds which exist between the smaller ions and what is often an exceptional lattice energy associated with these ...