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What star in the life cycle of stars fuses hydrogen and helium?
A "red giant" star can fuse both hydrogen (in the star's outer shells) and helium (in the core).
What is the nickname for the outer planets?
Gas Giants :)
Why are the outer planets less dense?
They are made of less dense materials. While the inner planets are made primarily of rock, the outer planets are made mostly of hydrogen and helium.
What are the atmospheres of the outer planets like?
Outer planets like Jupiter and Saturn have thick atmospheres composed mostly of hydrogen and helium. Uranus and Neptune have atmospheres rich in frozen ices like water, ammonia, and methane. Strong winds, massive storms, and unique cloud formations characterize the atmospheres of these outer planets.
What are the outer planets mostly made from?
Gasses and ice . (:
Do Hydrogen and helium atoms make up fifty percent of atoms in outer space?
Hydrogen and helium make about 98% of the atoms in the solar system !
Does helium exist as he2?
No, helium exists as He, with a single electron in its outer shell. The H2 molecule refers to two hydrogen atoms bonded together.
Why doesn't the He2 molecule form?
Atoms bond to get a full outer shell of electrons. For example, a hydrogen atom needs to gain 1 electron to achieve a full outer shell of 2. So it will bond with another hydrogen atoms and a pair of electrons is shared between them. Helium, however already has a full outer shell and so is most stable without bonds.
Which gas is found in outer planets?
Hydrogen and Helium
What are two gasses common to the outer planets?
Hydrogen and Helium
The outer planets are made of what two gases?
Helium and hydrogen =|
Is hydrogen can be over?
Although all the hydrogen in the sun and the stars will eventually be converted to helium or heavier elements, there is likely to be plenty of hydrogen atoms in outer space. This answer assumes, in line with current cosmological theories, that the universe does not end in a big crunch.
What two atoms will have their outer energy level filled with two electrons?
Helium and neon will have their outer energy level filled with two electrons. Helium has 2 electrons in its only energy level, while neon has 8 electrons in its second energy level.
How many electrons does an atom like to have in its outer shell?
Atoms typically like to have a full outer shell, which often means having 8 electrons (an octet) for stability. This is known as the octet rule. However, there are exceptions for smaller atoms like hydrogen and helium, which can be stable with fewer electrons in their outer shell.
What star in the life cycle of stars fuses hydrogen and helium?
A "red giant" star can fuse both hydrogen (in the star's outer shells) and helium (in the core).
What type of bond would likely form with Helium and Helium atoms?
No bond at all, He has a complete outer shell
How many electrons does each atom desire?
Atoms do not actually have desires as such, although the metaphor can be useful. Atoms are more stable when they have a full outer electron shell. The smaller atoms, hydrogen, helium, lithium, and beryllium, can obtain a full outer shell with only two electrons in it. The heavier atoms require 8 electrons to have a full outer shell. That is known as the octet rule (an octet is a set of eight).
