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sodium | Facts, Uses, & Properties | Britannica

Sodium, chemical element of the alkali metal group in the periodic table. Sodium is a very soft silvery-white metal. Sodium is the most common alkali metal and the sixth most abundant element on Earth, Sodium is used extensively in metallurgy as a deoxidant and as a reducing agent for the preparation of calcium, zirconium, titanium,

Magnesium Characteristics, Properties, and Appliions

Depending upon the loion and type of resource being used, a wide variety of production methods can be used to refine magnesium metal. This is due both to the fact that magnesium is so abundant, making production in many loions possible and to the minor metal''s end-use appliions being so price sensitive as to encourage buyers to constantly seek out the lowest possible cost source.

Potassium | Encyclopedia

Potassium metal is produced by coining potassium chloride with sodium metal at high temperatures. But this method is of little interest because potassium metal has few uses. Uses. Potassium metal is sometimes used as a heat exchange medium. A heat exchange medium is a material that picks up heat in one place and carries it to another place.

Chemistry for Kids: Elements - Sodium - Ducksters

Sodium is an alkali metal loed in the first group or column of the periodic table. The sodium atom has 11 electrons and 11 protons with one valence electron in the outer shell. Characteristics and Properties Sodium in its pure form is very reactive.

Calcium Facts - Atomic Nuer 20 and Element Syol Ca

Jun 05, 2015· Fun Calcium Facts. Calcium is a soft silvery metal at room temperature. Left alone, it will quickly oxidize in air forming a dull grey patina. Calcium burns with a bright orange-red flame in a flame test. Calcium is used in fireworks to add orange color. Calcium is the fifth most abundant element in the human body. Nearly all the calcium in

Alkali metal - Wikipedia

Caesium, the fifth alkali metal, is the most reactive of all the metals. In the modern IUPAC nomenclature, the alkali metals comprise the group 1 elements, excluding hydrogen (H), which is nominally a group 1 element but not normally considered to be an alkali metal as it rarely exhibits behaviour comparable to that of the alkali metals. All

Similarities Between Magnesium, Calcium, Potassium

Magnesium, calcium, potassium and sodium appear tightly clustered in the periodic table. Elements that appear close to each other on the table are related and tend to share many common properties. Given that these four elements are so chemically similar, it is not surprising that they function in

Sodium Facts

The metal tarnishes to form a white coating of sodium hydroxide and sodium carbonate very quickly at standard conditions. At higher elevations, the tarnish takes on a black, red transparent, or clear transparent coating, depending on the elevation. The most common compound of sodium is sodium chloride, NaCl, or ordinary table salt.

Reactivites of Metals

Some metals react with water to form hydroxides and hydrogen gas. However, some metals do not react with water but steam to form metal oxides and hydrogen gas. metal + water metal hydroxide + hydrogen gas. metal + steam metal oxide + hydrogen gas

sodium | Facts, Uses, & Properties | Britannica

Sodium, chemical element of the alkali metal group in the periodic table. Sodium is a very soft silvery-white metal. Sodium is the most common alkali metal and the sixth most abundant element on Earth, Sodium is used extensively in metallurgy as a deoxidant and as a reducing agent for the preparation of calcium, zirconium, titanium,

Get 10 Facts About the Element Sodium

Sodium is a silvery-white metal belonging to Group 1 of the Periodic Table, which is the alkali metals group. Sodium is highly reactive. The pure metal is stored in oil or kerosene because it spontaneously ignites in water. Sodium metal also floats on water. At room temperature, sodium metal is soft enough that you can cut it with a butter knife.

Alkali Metals Flashcards | Quizlet

What are the two most important alkali metals: sodium and potassium; lithium and potassium, or francium and lithium? (Sodium and potassium) Which alkali metal are found in large amounts of seawater and salt beds: sodium, chlorine, or calcium?

Sodium | Minerals Eduion Coalition

Sodium’s name is derived from the English word soda. Much like lithium, sodium is a light, very soft, silvery-white metal. It is even softer than lithium and can be cut with a knife. Sodium is very reactive with air and water. If a sufficient quantity comes in contact with water, sodium can actually explode.

Chemistry for Kids: Elements - Sodium - Ducksters

Sodium is an alkali metal loed in the first group or column of the periodic table. The sodium atom has 11 electrons and 11 protons with one valence electron in the outer shell. Characteristics and Properties Sodium in its pure form is very reactive.

Reactivites of Metals

Some metals react with water to form hydroxides and hydrogen gas. However, some metals do not react with water but steam to form metal oxides and hydrogen gas. metal + water metal hydroxide + hydrogen gas. metal + steam metal oxide + hydrogen gas

Calcium Facts - Atomic Nuer 20 and Element Syol Ca

Jun 05, 2015· Fun Calcium Facts. Calcium is a soft silvery metal at room temperature. Left alone, it will quickly oxidize in air forming a dull grey patina. Calcium burns with a bright orange-red flame in a flame test. Calcium is used in fireworks to add orange color. Calcium is the fifth most abundant element in the human body. Nearly all the calcium in

Sodium - Wikipedia

Sodium is a chemical element with the syol Na (from Latin natrium) and atomic nuer 11. It is a soft, silvery-white, highly reactive metal. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell, which it readily donates, creating a positively charged ion—the Na + ion.

Calcium Metal | AMERICAN ELEMENTS

In its elemental form, calcium has a dull gray-silver appearance. Calcium is a reactive, soft metal that is a meer of the alkaline earth elements. It frequently serves as an alloying agent for other metals like aluminum and beryllium industrial materials like cement and mortar are composed of calcium compounds like calcium carbonate. It is

How to Extract Calcium From Limestone Ores | Sciencing

Apr 24, 2017· Calcium is an element with metallic properties. It''s highly reactive, so it doesn''t occur in elemental form in nature. Limestone is a naturally occurring mineral high in calcium carbonate, or CaCO 3 . It''s possible to extract pure calcium from calcium carbonate through a multi-stage

Potassium - The Active ALKALI METAL! -

Dec 19, 2015· So today I will show you a few experiments with a very dangerous and expensive metal - potassium. Potassium is an active alkali metal, which is in Group 1 table of chemical elements.

List of alloys - Wikipedia

Pot metal; inexpensive casting metal of non-specific composition Notes Edit ^ The purity of gold alloys is expressed in karats , (UK: carats) which indies the ratio of the minimum amount of gold (by mass ) over 24 parts total. 24 karat gold is fine gold (24/24 parts), and the engineering standard [ citation needed ] is that it be applied to

Why is aluminum used in making electrical wiring and

Oct 09, 2016· Aluminum is a relatively good conductor, lightweight, and fairly strong for its weight; it’s also relatively inert - a clean aluminum surface will get a very thin coat of oxide practically immediately upon being exposed to air, and then doesn’t co

Chemistry for Kids: Elements

It is classified as an alkali metal. Potassium atoms have 19 electrons and 19 protons with one valence electron in the outer shell. Potassium is considered chemically similar to sodium, the alkali metal above it on the periodic table. Characteristics and Properties Under standard conditions potassium is a soft silvery-white metal.

Sodium Facts

The metal tarnishes to form a white coating of sodium hydroxide and sodium carbonate very quickly at standard conditions. At higher elevations, the tarnish takes on a black, red transparent, or clear transparent coating, depending on the elevation. The most common compound of sodium is sodium chloride, NaCl, or ordinary table salt.

What is the work function of sodium metal based on this

Nov 04, 2016· Update: Sodium is a soft metal with a relatively low work function. Light corresponding to 471 kJmol−1 was shone on the sodium metal, and the electrons detected had a velocity of 9.57×105ms−1. Light corresponding to 471 kJmol−1 was shone on the sodium metal, and the electrons detected had a velocity of 9.57×105ms−1.

Calcium Facts

Calcium (Ca) is a gray, soft alkaline earth metal with an atomic nuer of twenty. It is a vital element for living organisms. Calcium is the fifth most plentiful element in the Earth''s crust. It is also the fifth most abundant element found dissolved in the oceans. Calcium has been in use for over

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