What is the lightest element on earth

 Periodic table   >>   Terms, tables
The lightest chemical elements
Elements in the solid state at 20 ° C
 
position
Name of the element
Density in grams per cubic centimeter
1
lithium
 0,53
2
potassium
 0,89
3
sodium
 0,97
4
Rubidium
 1,53
5
Calcium
 1,54
6
magnesium
 1,74
7
phosphorus
 1,82
8
beryllium
 1,85
9
Cesium
 1,87
10
Sulfur (monoclinic)
 2,07
 
 
The heaviest chemical elements
Elements in the solid state at 20 ° C
 
position
Surname
Density in grams per cubic centimeter
1
osmium
22,59
2
iridium
22,56
3
platinum
21,45
4
rhenium
20,8
5
neptunium
20,5
6
plutonium
19,9
7
gold
19,3
8
tungsten
19,3
9
uranium
19,1
10
Tantalum
16,4
 
 
The density of gases
Elements in the gaseous state at 0 ° C and normal pressure,
Comparative value for air: 1.29 grams per liter
 
position
Surname
Density in grams per liter
1
radon
9,73
2
xenon
5,90
3
krypton
3,73
4
chlorine
3,21
5
argon
1,78
6
fluorine
1,70
7
oxygen
1,43
8
nitrogen
1,25
9
neon
0,90
10
helium
0,18
11
hydrogen
0,09
 
All values ​​rounded to two places after the decimal point.


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