The diagram below shows a substance undergoing a phase change heat The diagram shows heat being removed from the substance, causing OA. it to form a solid as its particles move farther apart OB. it to form a liquid as its particles move closer together, oc. it to form a gas as its particles move closer together. OD it to form a liquid as its particles move farther apart.

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.

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lab safety rules

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