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The last two elements that a massive star produces are hydrogen and helium why is this the last reaction?
Wiki User
∙ 10y ago
The star can fuse up to iron, because iron is the most stable element.
Wiki User
∙ 10y ago
Wiki User
∙ 11y agoThe nuclear fusion of hydrogen to helium is a chemical reaction as one element is converted to another.
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Are there other elements found in stars than hydrogen and helium?
Yes. All naturally occurring elements in the universe can be found in most stars, though generally only in small concentrations. Massive stars that have depleted the hydrogen in their cores may start producing elements as heavy as iron.
What are the stars called brown dwarfs made of?
A brown dwarf is an object that is not massive enough to be a star, yet it is more massive than planets. Basically it doesn't get hot enough for normal nuclear fusion (to convert hydrogen-1 into helium), but it can get hot enough to fuse deuterium (hydrogen-2) into heavier elements. Comments: I agree, except that I don't think brown dwarfs can fuse deuterium either.
What is the least massive and the simplest of all elements?
Hydrogen. You could have found this out yourself had you just looked at a periodic table of elements.Not everyone knows what tools to use to find out answers to their questions, using wiki.answers.com is one of the best ways to learn what you want.
The space surrounding a massive object subject to the body's force of attraction is?
The gravity from a massive body produces a force on other massive bodies inside its gravitational field.
Why is there an abundance of lighter elements in the universe?
The light elements come from the very origin of the Universe. Hydrogen, being the simplest element, is still the most common element in the Universe. During the heat of the Big Bang, some Helium was produced, but almost no metals (i.e., heavier elements).The reason we have relatively few hydrogen and helium on Earth is because most of it must have escaped to space during the formation of Earth. More massive planets, like Jupiter, have a much larger percentage of hydrogen and helium.
Is it possible for fusion reaction to be happening at planet's core?
No. Fusion requires high concentrations of Hydrogen. Planets are made from substantially heavier elements. Additionally, a planet massive enough to begin a fusion reaction literally becomes a star.
Is it possible for fusion reaction to be happening at a planets core?
No. Fusion requires high concentrations of Hydrogen. Planets are made from substantially heavier elements. Additionally, a planet massive enough to begin a fusion reaction literally becomes a star.
What causes the sun to burn?
hydrogen is at the heart of a star, meaning that as it reacts it produces a massive amount of heat and light
what causes the sun burn?
hydrogen is at the heart of a star, meaning that as it reacts it produces a massive amount of heat and light
What type of reaction causes stars to combine hydrogen and release massive amounts of radiation?
This involves "nuclear fusion" reactions.
Are there other elements found in stars than hydrogen and helium?
Yes. All naturally occurring elements in the universe can be found in most stars, though generally only in small concentrations. Massive stars that have depleted the hydrogen in their cores may start producing elements as heavy as iron.
Are all-stars made of similar elements?
Younger stars often are made up mainly of hydrogen, perhaps with some helium. Less massive stars will only fues hydrogen into helium, so eventually they will end up having a lot of helium. More massive stars however will eventually start fusing helium to metals, i.e., heavier elements. In any case, the "metallicity" (percentage of elements heavier than helium) and the percentages of different elements should vary somewhat between different stars.Younger stars often are made up mainly of hydrogen, perhaps with some helium. Less massive stars will only fues hydrogen into helium, so eventually they will end up having a lot of helium. More massive stars however will eventually start fusing helium to metals, i.e., heavier elements. In any case, the "metallicity" (percentage of elements heavier than helium) and the percentages of different elements should vary somewhat between different stars.Younger stars often are made up mainly of hydrogen, perhaps with some helium. Less massive stars will only fues hydrogen into helium, so eventually they will end up having a lot of helium. More massive stars however will eventually start fusing helium to metals, i.e., heavier elements. In any case, the "metallicity" (percentage of elements heavier than helium) and the percentages of different elements should vary somewhat between different stars.Younger stars often are made up mainly of hydrogen, perhaps with some helium. Less massive stars will only fues hydrogen into helium, so eventually they will end up having a lot of helium. More massive stars however will eventually start fusing helium to metals, i.e., heavier elements. In any case, the "metallicity" (percentage of elements heavier than helium) and the percentages of different elements should vary somewhat between different stars.
If a star is made of hydrogen why does it not ex plode?
If you refer to a chemical explosion of hydrogen, that requires not only hydrogen but also oxygen. Pure hydrogen will not explode - not in a chemical reaction. In fact, the hydrogen in a star produces much more energy than a chemical explosion, through nuclear fusion. A temperature of several million Kelvin is maintained in the core. What keeps the star together is its enormous gravity. However, some of the more massive stars can eventually produce the energy so quickly that they blow up. That's called a supernova.
What forms massive stars?
Stars are made mostly from hydrogen. The more hydrogen available when a star is formed, the more massive it will be.
Which is massive helium or hydrogen?
helium
What happens in a nuclear power plant?
A nuclear powerplant is a Thermal powerstation that uses a nuclear reactor to generate electricity. The method: A nuclear fission or fusion reaction happens which produces up to 650 to 700 Degrees Of heat when controlled. This massive amount of heat is then open to massive amounts of water that produces steam which in turn the turbines that produces up to 10,000 Mega Watts of electricity.
Why does sodium explode if it touches water?
Sodium is a brother of the alkali metals, a group of highly reactive elements. Like all alkali metals, a atom of sodium has one extremely loose electron attached on its outer shell, and it is really annoying to the sodium, and, in response, alkali metals will react with almost anything they touch to get rid of that electron, water as listed one of them. When a chunk of sodium or any other alkali metal hits water, it starts a violent reaction. The sodium is so highly reactive that it grabs the hydrogen and oxygen atoms that form water and rips them apart, vaporizing water into flammable hydrogen and oxygen. The massive heat generated by the reaction ignites the hydrogen and oxygen, fusing them into water (two hydrogen atoms and one hydrogen atom), at the same time the fire that was set aflame by the hydrogen will create the massive fire and explosion.
