0
0.0005%
Wiki User
∙ 11y ago
Add your answer:
Earn +20 pts
Is helium dangerous to humans or the environment?
NO, it is found in abundance in the air.
Where are the sources for element helium?
Atmosphere
If an element has three isotopes with known natural abundance percentages what other information is needed to find the average atomic mass of the element?
The abundance percentage of each isotope
What is the percent abundance of argon gas?
It accounts ofr 0.934% by volume, of the earth's atmosphere.
What Gas is used as protective atmosphere for growing silicon and germanium?
Helium
What is the percentage of hydrogen and heilium in Jupiter's atmosphere?
25 percent helium
What is the percent of helium in the air?
Helium comprises only the tiniest portion of the earth's atmosphere. It represents only about 5.24 parts per million by volume, which is about 0.000524% of the atmosphere. Use the link below to the Wikipedia post on what's in Earth's atmosphere. You might be surprised!
What are the gases percentage on Jupiter?
Jupiter's atmosphere is made of 90% hydrogen and 10% helium
What is the atmosphere of Uranus and what is the percentage?
The atmosphere of Uranus is a mixture of Hydrogen and Helium, with about 2.5% Methane mixed in, and some other trace gasses.
What is the concentration of helium on Jupiter?
The concentration, in the atmosphere, is about 10%.
Is there helium in the atmosphere?
Yes there is helium in the Earth's atmosphere.
Is helium poisenous?
No however the lack of oxygen is deadly. It is unlikely that you will hurt yourself sucking the helium out of balloons, as long as you breathe oxygen in between breaths of helium. There is a small percentage of helium (.0005%) in the earths atmosphere.
What is the most variable abundance in the atmosphere?
The most variable abundance in the atmosphere is Water Vapour and Ozone
What element is produced in abundance on the sun?
Helium
What percent of helium makes up the sun?
Element Abundance(percentage of totalnumber of atoms) Abundance(percentage of totalmass) Hydrogen 91.2 71.0 Helium 8.7 27.1 Oxygen 0.078 0.97 Carbon 0.043 0.40 Nitrogen 0.0088 0.096 Silicon 0.0045 0.099 Magnesium 0.0038 0.076 Neon 0.0035 0.058 Iron 0.0030 0.14 Sulfur 0.0015 0.040
Does Neptune have helium in its atmosphere?
Yes. helium is found in the earth's atmosphere.
Do Jovian planets have an abundance of hydrogen and helium?
Yes.
