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Well... none, but... Helium is often found in conjunction with uranium-bearing ores. The reason for this is that when heavy elements decay by the alpha process, they emit an alpha particle, which is a helium-4 nucleus. The amount of helium found in uranium-bearing rocks is therefore dependent on several factors: how much uranium is present, how long it's been there, what the geological conditions are (is the rock porous, is there an impervious dome structure to trap the helium, etc.) and many other things. For these reasons, it's very difficult to give an exact answer beyond noting that it's fairly common that where uranium is found, at least some helium will be found as well.
What else can I help you with?
What happens when hydrogen and helium mix?
Helium is completely inert, it is the most inert of all elements, and so it will not react in any way with hydrogen (or with any other element). So, if you mix hydrogen and helium, nothing happens. You have a mixture of hydrogen and helium. It's a lot lighter than air, you can make balloons that will float. Of course, you can do that with pure hydrogen or with pure helium, as well.
What element has the least protons of mercury helium uranium nitrogen?
Helium, with only two protons per atom. In contrast, nitrogen has 7, mercury has 80, and uranium has 92.
Which atom is the heaviest helium uranium lead iron Hydrogen?
Uranium atom is the heaviest.
What is the difference between a carbon atom and a uranium atom?
I won't even waste the time looking up actual numbers.a mole of atoms of helium is about 4 grams, therefor 1 gram of helium is about 0.25 moles of helium atomsa mole of atoms of uranium is about 238 grams, therefor 1 gram of uranium is about 0.0042 moles of uranium atomsA gram of helium contains more atoms than a gram of uranium by about a factor of 60.
Which of these elements have the least number of neutrons helium carbon gold uranium?
Helium has the least number of neutrons among the elements listed.
What happens if uranium and gasoline mix?
you get wet uranium
What happens when you mix uranium and thorium?
Who will do that ? The result leads to nothing.
What Happens if you mix Uranium and Calcium together?
At room temperature - nothing.
What happens when hydrogen and helium mix?
Helium is completely inert, it is the most inert of all elements, and so it will not react in any way with hydrogen (or with any other element). So, if you mix hydrogen and helium, nothing happens. You have a mixture of hydrogen and helium. It's a lot lighter than air, you can make balloons that will float. Of course, you can do that with pure hydrogen or with pure helium, as well.
What element has the least protons of mercury helium uranium nitrogen?
Helium, with only two protons per atom. In contrast, nitrogen has 7, mercury has 80, and uranium has 92.
Would there be a gravitational force acting among the particles of a helium nucleus or the particles of a uranium nucleus?
There is a stronger gravitational force acting among the particles of a uranium nucleus compared to the nucleus of helium. This is because uranium has more mass than helium.
What kind of gases are in popcorn?
helium and uranium.
Would there be a stronger gravitational force acting among the particles of a helium nucleus or the particles of a uranium nucleus?
There is a stronger gravitational force acting among the particles of a uranium nucleus compared to the nucleus of helium. This is because uranium has more mass than helium.
Which atom is the heaviest helium uranium lead iron Hydrogen?
Uranium atom is the heaviest.
Can you mix helium and water?
Of course you CAN mix it. you can mix anything as long as you have it.
Is helium found in solid earth?
Yes; helium appear from radioactive disintegration of uranium or thorium.
What is the difference between a carbon atom and a uranium atom?
I won't even waste the time looking up actual numbers.a mole of atoms of helium is about 4 grams, therefor 1 gram of helium is about 0.25 moles of helium atomsa mole of atoms of uranium is about 238 grams, therefor 1 gram of uranium is about 0.0042 moles of uranium atomsA gram of helium contains more atoms than a gram of uranium by about a factor of 60.
