Selenium (Se) Element's Properties and Facts

Element Name : Selenium Selenium
Symbol : Se
Presence in:
1. 70 kg Person : 15 mg
2. Body : 0.000019 %
3. Earth Crust : 0.000005 %
4. Earth Ocean : 0.000000045 %
5. Universe : 0.000003 %
Properties:
1. Atomic Number : 34
2. Atomic Weight : 78.96
3. Group : 16
4. Period : 4
5. Block : p
6. Density : 4.819 g/cm3
7. Melting Point : 494 K
8. Boiling Point : 958 K
9. Electron Form : [Ar] 3d10 4s2 4p4
10. State of matter : Solid
11. Color : Black or deep red.
Other Facts:
1. Area of Presence in Body : Enzymes
2. Existence in type of Foods : Vitamin E, Brazil nuts, poultry, seafood, whole-grain product, cereals, onions, garlic, mushrooms, nuts, brown rice, organ meats, fish and eggs.
3. Diseases : Gastrointestinal disorders, and hair loss, sloughing of nails, fatigue, irritability and neurological damage
4. Health Uses : Helps in preventing heart disease and cancer.
5. Adult consumption / day : 2400 to 3000 µg
6. Children consumption / day : Nil
7. Natural Form : Occurs as selenides of iron, lead, silver, or copper
8. Other Forms : Nil
9. Source Place : Japan, Canada, Belgium, the United States, and Germany.
10. Common Uses : Used to make red-colored glasses, solar cells and photocells. Selenium sulfide is used in anti-dandruff shampoos.
 

Elements in the Human Body

P/G
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1
 
2
 
3
 
4
5
6
57 - 71
7
89 - 103
Lanthanide
Actinide
The color of the atomic number indicates the state of matter at standard conditions (0°C and 1 atm)
Solids     Liquids     Gases     Unknown

Elements Category
Human Body Structure1
Human Body Structure2
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