Atomic Structure
|
Symbol
|
He
|
Atomic Number
|
2
|
Atomic Mass
|
4.002602 g/mol
|
Periodic Table
|
Group
|
8
|
Row / Period
|
1
|
Element Category
|
Noble gas
|
Chhapa
|
|
Helium
ek
chemical element
hae, jiske
chemical symbol
He
aur
atomic number
2 hae.
Ii bina rang ke ek gas hae, jon ki dusra element re react nai hoe hae. Iske halluk hoe ke kaaran, iske baloon me kaam e lawa jaawe hae.
-
Superfluidity
-
Diagram of He-4
-
Why He
is unbound
-
Discharge tube
-
Glowing helium
-
spectrum tube: Helium ++
-
spectrum tube: Helium