Which is the element with atomic no. 53? Write about it.
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element with atomic no. 53 is iodine
Name: Iodine
Symbol: I
Atomic Number: 53
Atomic Mass: 126.90447 amu
Melting Point: 113.5 °C (386.65 K, 236.3 °F)
Boiling Point: 184.0 °C (457.15 K, 363.2 °F)
Number of Protons/Electrons: 53
Number of Neutrons: 74
Classification: Halogen
Crystal Structure: Orthorhombic
Density @ 293 K: 4.93 g/cm3
Color: blackish
Atomic Structure
Number of Energy Levels: 5
First Energy Level: 2
Second Energy Level: 8
Third Energy Level: 18
Fourth Energy Level: 18
Fifth Energy Level: 7
Date of Discovery: 1811
Discoverer: Bernard Courtois
Name Origin: From the Greek word iôdes(violet)
Uses: required in humans
Obtained From: sodium and potassium compounds
Iodine is an element you encounter in iodized salt and the foods you eat. A small amount of iodine is essential for nutrition, while too much is toxic. Here are facts about iodine.
THE NAME
Iodine comes from the Greek word iodes, which means violet. Iodine gas is violet-colored.
ISOTOPES
Many isotopes of iodine are known. All of them are radioactive except for I-127.
COLOR
Solid iodine is blue-black in color and shiny.
At ordinary temperatures and pressures, iodine sublimates into its gas, so the liquid form is not seen.
HALOGEN
Iodine is a halogen, which is a type of non-metal. Iodine possesses some characteristics of metals, too.
THYROID
The thyroid gland uses iodine to make the hormones thyroxine and triiodotyronine. Insufficient iodine leads to development of a goiter, which is a swelling of the thyroid gland. Iodine deficiency is believed to be the leading preventable cause of mental retardation. Excessive iodine symptoms are similar to those of iodine insufficiency. Iodine toxicity is more severe if a person has a selenium deficiency.
COMPOUNDS
Iodine occurs in compounds and as the diatomic molecule I2.
MEDICAL PURPOSE
Iodine is used extensively in medicine. However, some people develop a chemical sensitivity to iodine. Sensitive individuals may develop a rash when swabbed with tincture of iodine. In rare cases, anaphylactic shock has resulted from medical exposure to iodine.
FOOD SOURCE
Natural food sources of iodine are seafood, kelp and plants grown in iodine-rich soil. Potassium iodide often is added to table salt to produce iodized salt.
ATOMIC NUMBER
The atomic number of iodine is 53,meaning all atoms of iodine possess 53 protons.
COMMERCIAL PURPOSE
Commercially, iodine is mined in Chile and extracted from iodine-rich brines, notably from the oilfields in the US and Japan.
Name: Iodine
Symbol: I
Atomic Number: 53
Atomic Mass: 126.90447 amu
Melting Point: 113.5 °C (386.65 K, 236.3 °F)
Boiling Point: 184.0 °C (457.15 K, 363.2 °F)
Number of Protons/Electrons: 53
Number of Neutrons: 74
Classification: Halogen
Crystal Structure: Orthorhombic
Density @ 293 K: 4.93 g/cm3
Color: blackish
Atomic Structure
Number of Energy Levels: 5
First Energy Level: 2
Second Energy Level: 8
Third Energy Level: 18
Fourth Energy Level: 18
Fifth Energy Level: 7
Date of Discovery: 1811
Discoverer: Bernard Courtois
Name Origin: From the Greek word iôdes(violet)
Uses: required in humans
Obtained From: sodium and potassium compounds
Iodine is an element you encounter in iodized salt and the foods you eat. A small amount of iodine is essential for nutrition, while too much is toxic. Here are facts about iodine.
THE NAME
Iodine comes from the Greek word iodes, which means violet. Iodine gas is violet-colored.
ISOTOPES
Many isotopes of iodine are known. All of them are radioactive except for I-127.
COLOR
Solid iodine is blue-black in color and shiny.
At ordinary temperatures and pressures, iodine sublimates into its gas, so the liquid form is not seen.
HALOGEN
Iodine is a halogen, which is a type of non-metal. Iodine possesses some characteristics of metals, too.
THYROID
The thyroid gland uses iodine to make the hormones thyroxine and triiodotyronine. Insufficient iodine leads to development of a goiter, which is a swelling of the thyroid gland. Iodine deficiency is believed to be the leading preventable cause of mental retardation. Excessive iodine symptoms are similar to those of iodine insufficiency. Iodine toxicity is more severe if a person has a selenium deficiency.
COMPOUNDS
Iodine occurs in compounds and as the diatomic molecule I2.
MEDICAL PURPOSE
Iodine is used extensively in medicine. However, some people develop a chemical sensitivity to iodine. Sensitive individuals may develop a rash when swabbed with tincture of iodine. In rare cases, anaphylactic shock has resulted from medical exposure to iodine.
FOOD SOURCE
Natural food sources of iodine are seafood, kelp and plants grown in iodine-rich soil. Potassium iodide often is added to table salt to produce iodized salt.
ATOMIC NUMBER
The atomic number of iodine is 53,meaning all atoms of iodine possess 53 protons.
COMMERCIAL PURPOSE
Commercially, iodine is mined in Chile and extracted from iodine-rich brines, notably from the oilfields in the US and Japan.
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