ChemTalk

Category: Elements

rare earth lanthanides

Lanthanides

Introduction to Lanthanides What are the lanthanides, aka rare earth elements? The lanthanide series is a row of elements situated below the main block of

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Metalloids

What are the metalloids? Most elements fit relatively neatly into one of two categories: metals and nonmetals. Metalloids, however, can be classified as somewhere in-between.

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Noble Gases

What are the Noble Gases? The noble gases are a group of six inert (nonreactive) gases on the far right side of the periodic table.

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Alkaline earth metals

Alkaline Earth Metals

What are the Alkaline Earth Metals? The alkaline earth metals are the elements in the second group of the periodic table, starting with beryllium and

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alkali metals - cesium

Alkali Metals

What are the Alkali Metals? The word “alkali” comes from Arabic, meaning “ashes of the saltwort”. In chemistry, it refers to a base that can

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transition metals

Transition Metals

What are the Transition Metals? When most of us think of “metals”, we are probably thinking of a transition metal. But what is a transition

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iodine evaporation

Halogens

What are the Halogens? The halogens, aka halogen family, are a group of reactive elements in group 17 of the periodic table, to the right

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The Salty Element Sodium

The Element Sodium Introduction to Sodium The element sodium is a soft, flammable, silvery-white metal. Sodium, named after the English word ‘soda’, has compounds which

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Glamorous Gold

The Element Gold Introduction to Gold The element gold is a well-known transition metal with atomic number 79. It has malleable, conductive, and ductile metal

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Noble Neon

The Element Neon Introduction to Neon The element neon, symbol Ne, is a noble gas that is colorless and odorless under standard conditions. In the

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