properties hydrogen

properties hydrogen

Getting consideration of chemical and physical properties of hydrogen, it is necessary to note that in the usual state, this is a chemical element in gaseous form.A colorless gas, hydrogen is odorless, it is tasteless.For the first time the chemical element hydrogen was named after the sc...

Mechanical properties of metals

Mechanical properties of metals

metals and chemicals are called elements, which are characterized by properties such as good heat conductivity and electric current, opacity, but capable of reflecting light, malleability and ductility.Metals used in virtually all sectors, areas of our lives.Of them make different arrange...

What is it : the air ?

What is it : the air ?

air - the most important substance, without access to which man will not survive a few minutes.We all understand how important the air for us, but do we know what it is? Unfortunately, knowledge of most of us in this matter is very limited.Let's correct the situation. Air scientifically...

What are the chemical properties of metals ?

What are the chemical properties of metals ?

such thing as chemical properties of metals, very often used in the school curriculum.Let's try to consider, what are the most basic of their chemical properties. solubility of metals This is the name of the metal's ability to dissolve in a specially designated for this business solven...

What are the basic properties of oxides ?

What are the basic properties of oxides ?

from the curriculum of chemistry for each of us it is known that oxides - it is a complex chemical substances, which are compounds of relatively simple elements with a gas such as oxygen.There are salt-forming oxides and oxides which do not form salts.First, in turn divided into three fur...