Question

write some examples of metal hydrides and metal carbonates ​

Answer 1

Metal hydride

The most common examples of metal hydrides include aluminum, boron, lithium borohydride and various salts

Metal Carbonate

Lithium Carbonate (Li2CO3)

Lithium Carbonate (Li2CO3)Sodium Carbonate (Na2CO3)

Lithium Carbonate (Li2CO3)Sodium Carbonate (Na2CO3)Potassium Carbonate (K2CO3)

Lithium Carbonate (Li2CO3)Sodium Carbonate (Na2CO3)Potassium Carbonate (K2CO3)Rubidium Carbonate (Rb2CO3)

Lithium Carbonate (Li2CO3)Sodium Carbonate (Na2CO3)Potassium Carbonate (K2CO3)Rubidium Carbonate (Rb2CO3)Cesium Carbonate (Cs2CO3)

Answer 2

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The term hydride is commonly named after binary compounds that hydrogen forms with other elements of the periodic table. Hydride compounds in general form with almost any element, except a few noble gases. The trends and properties vary according to the type of intermolecular force that bonds the elements together, the temperature, its molecular masses, and other components. Hydrides are classified into three major groups, depending on what elements the hydrogen bonds to. The three major groups are covalent, ionic, and metallic hydrides. Formally, hydride is known as the negative ion of a hydrogen, H-, also called a hydride ion. Because of this negative charge, hydrides have reducing, or basic properties. Its special characteristics will be further discussed.

Covalent Hydrides

The first major group is covalent hydrides, which is when a hydrogen atom and one or more non-metals form compounds. This occurs when hydrogen covalently bonds to a more electropositive element by sharing electron pairs. These hydrides can be volatile or non-volatile. Volatile simply means being readily able to be vaporized at low temperatures. One such example of a covalent hydride is when hydrogen bonds with chlorine and forms hydrochloric acid ( HCl ). Examples are listed below:

H2(g)+Cl2(g)→2HCl(g)(1)

3H2(g)+N2(g)→2NH3(g)(2)

The hydrides of nonmetals on the periodic table become more electronegative as you move from group 13 to 17. This means that they are less capable of donating an electron, and want to keep them because their electron orbital becomes fuller. Instead of donating a H− , they would instead donate a H+ because they are more acidic.

Example 1 : Boron Hydrides

Boron can form many different types of hydrides; one of them is borane ( BH3 ), which reacts violently with air and is easily oxidized. Borane occurs as a gaseous substance, and can form B2H6 by two borane molecules combined with each other. Borane is not a stable compound because it does not follow a complete octet rule since it has

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