Helium's atomic number is 2 and its Atomic Mass is 4
Hydrogen has atomic number 1 whereas helium's is 2.
For the element Helium is its scientific name. For the bare nucleolus it is know as an alpha particle.
liquid, and gas.
gaseous state.
Helium is an odorless gas.
Helium's chemical symbol is He.
-268.93 °C
helium is a colourless odourless gas
Helium is a gas at room temperature.
heliums period address is 11.09
The Heliums period is a explosive force of matter which produces nano bits of helium. The shockwave contributes to events here on Earth. Scientists are still trying to decode the main details.
The atomic number of helium (He) is 2. The atomic weight of He is 4.002602 grams per mole.