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What is the 62nd element on the periodic table?

What is the 62nd element on the periodic table?

Samarium – Element information, properties and uses | Periodic Table.

What is Samarium used for?

Samarium oxide (samaria) is used as a catalyst for the dehydration and dehydrogenation of ethanol. Samarium oxide is also used in infrared absorbing glass. Radioactive 153Sm is used in the treatment of cancers. Samarium is also used as an absorber in nuclear reactors.

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What is the electronic configuration of 62?

Samarium (Sm)

Samarium in the periodic table
Electron configuration
Elektronkonfiguration (shorthand) [Xe] 4f6 6s2
Electron configuration 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f6 5s2 5p6 6s2
Electrons per shell 2, 8, 18, 24, 8, 2

Is samarium rare or common?

Rare earth
Samarium is a Rare earth element with hardness and density similar to those of zinc. With the boiling point of 1794 °C, samarium is the third most volatile lanthanide after ytterbium and europium; this helps separation of samarium from ore. At ambient conditions, samarium normally has a rhombohedral structure (α form).

How many isotopes does 62 Sm have?

Naturally occurring samarium (62Sm) is composed of five stable isotopes, 144Sm, 149Sm, 150Sm, 152Sm and 154Sm, and two extremely long-lived radioisotopes, 147Sm (half life: 1.06×1011 y) and 148Sm (7×1015 y), with 152Sm being the most abundant (26.75% natural abundance).

What is the Electronic configuration of 6C?


Where is samarium found on Earth?

Samarium is the fifth most abundant of the rare elements and is almost four times as common as tin. It is never found free in nature, but in contained in many minerals, including monazite, bastnasite and samarskite. Samarium containing ores are found in USA, China, Brazil, India, Australia and Sri Lanka.

What does Sm mean in chemistry?

Samarium is a chemical element with the symbol Sm and atomic number 62. It is a moderately hard silvery metal that slowly oxidizes in air.

What group is Sm in periodic table?

lanthanide group
Samarium is a silvery-white metal belonging to the lanthanide group of the periodic table. It is relatively stable at room temperature in dry air, but it ignites when heated above 150 C and forms an oxide coating in moist air.

How to identify period numbers on the periodic table?

How to Identify It: Period numbers are located on the left-hand side of the table. These are simple integer numbers. Examples: The row starting with hydrogen is 1. The row starting with lithium is 2. Some periodic tables list the electron configuration of an atom of the element, usually written in shorthand notation to conserve space.

How many elements are there on the periodic table?

In 1864, a book of his was published; it contained an early version of the periodic table containing 28 elements, and classified elements into six families by their valence —for the first time, elements had been grouped according to their valence.

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What are the s blocks on the periodic table?

The first two columns on the left side of the periodic table are where the s subshells are being occupied. Because of this, the first two rows of the periodic table are labeled the s block.