Helium is a non metal element. Atomic Mass of it is 4.00.
The average atomic mass of helium is approximately 4.0026 atomic mass units (amu). This value is a weighted average of the isotopes of helium, primarily consisting of helium-4 with a small contribution from helium-3.
It's just 4.002602 amu
Helium with an atomic mass of 4.00260
Approximately 4.01
Well, two times four is eight, which would be oxygen.
The average atomic mass of helium is approximately 4.0026 atomic mass units (amu). This value is a weighted average of the isotopes of helium, primarily consisting of helium-4 with a small contribution from helium-3.
It's just 4.002602 amu
Helium is a non metal element. Atomic mass of it is 2.
Helium with an atomic mass of 4.00260
4.002602 g/mol
Helium's atomic number is 2 and its atomic mass is 4
Approximately 4.01
Helium is a metal element. Atomic number of it is 2.
Well, two times four is eight, which would be oxygen.
Symbol: He atomic #: 2 atomic mass: 4.002602
Atomic mass = weight in gram / moles = 10 / 2.5 = 4 amu
4