Helium is a naturally occurring element and was not invented by anyone.
Joseph Lockyer and Pierre Janssen in 1868
Do you mean helium? Helium is an element, so it's made of .... helium!
helium in a jar diff from helium atom
He- Helium. He- Helium.
Helium
Helium is an inert gas."They fill Helium in the balloons", father explains his child.
Helium was discovered in 1868 by Pierre Janssen and Norman Lockyer
Helium Helium
Do you mean helium? Helium is an element, so it's made of .... helium!
Helium has 2 protons, 2 neutrons and 2 electrons. The symbol for helium is He and the atomic number is 2.
helium in a jar diff from helium atom
The chemical symbol for helium is "He."
He- Helium. He- Helium.
helium
Helium: He
He - Helium
The symbol of Helium is He. Helium's atomic number is 2.
Yes, they are isotopes of helium