Deep sea divers breath helium and oxygen, helium is also used to inflate party balloons and airship blimps.
unknown Helium.....the most uplifting experience a balloon can get.
The alpha particle is a helium nucleus. Its symbol is 24He2+, meaning 2 protons, 2 neutrons, and no electrons.
most stars are made of mainly hydrogen, a little helium and traces of other gases like oxygen
Math teachers.
it is also used as a filler for paint.
Balloons
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helium and hydrogen
Helium has two protons and two neutrons (and two electrons).
Stars contain hydrogen, helium and a little iron.
helium balloons
Hydrogen and helium, the most common elements in the Universe.Hydrogen and helium, the most common elements in the Universe.Hydrogen and helium, the most common elements in the Universe.Hydrogen and helium, the most common elements in the Universe.
There are no common compounds of helium and probably are no compounds of helium at all, because helium is the least reactive of all elements.
Helium has 2 protons, 2 neutrons and 2 electrons. The symbol for helium is He and the atomic number is 2.
Helium-4 has 2 protons and 2 neutrons. The less common helium-3 has 2 protons but only 1 neutron. There are also several additional isotopes (that is, different number of neutrons), but those are unstable (radioactive).
Hydrogen and helium, the most common elements in the Universe.Hydrogen and helium, the most common elements in the Universe.Hydrogen and helium, the most common elements in the Universe.Hydrogen and helium, the most common elements in the Universe.