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What are the 5 most abundant elements that make up atomic matter in the universe and what approximate percentages do they occur?
At 92.7 percent, hydrogen is the most common element in the universe. Next is helium at .07 percent. Third most common is oxygen at .0005 percent. The fourth most common element is neon at .0002 percent. Finally, the fifth most common element in the universe is nitrogen at .00015 percent.
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What are the least abundant elements?
The least abundant elements in the Earth's crust are typically the rare earth elements such as thulium, lutetium, and hafnium. In the universe, elements such as francium and astatine are considered very rare.
Most abundant in the universe?
Hydrogen is the most abundant element in the universe.
Why do all stars have hydrogen and helium?
Hydrogen and helium were the first elements formed after the Big Bang, and they continue to be the most common elements in the universe due to their abundance. Stars form from clouds of gas and dust in space, and since hydrogen and helium are the most abundant elements available, they make up the majority of a star's composition.
Second most abundant element?
On planet earth, silicon is the second most abundant element. It comprised 28 percent of the earth's crust. The most abundant is oxygen, which makes up about 47 percent of the earth's crust. The second most abundant element in the universe is helium.
What are the two main gases that make up a young star?
The two main gases that make up a young star are hydrogen and helium. These elements were formed during the Big Bang and are the most abundant elements in the universe.
What are the 10 most abundant elements in the universe and what are their percentages?
ElementAbundancemeasured relative to siliconHydrogen40,000Helium3,100Oxygen22Neon8.6Nitrogen6.6Carbon3.5Silicon1Magnesium0.91Iron0.6Sulphur0.38
What are likely the two most abundant elements in the universe?
Hydrogen and Helium. :)
What are the least abundant elements?
The least abundant elements in the Earth's crust are typically the rare earth elements such as thulium, lutetium, and hafnium. In the universe, elements such as francium and astatine are considered very rare.
What are there 92 of in the universe?
That's the approximate number of naturally occurring elements.
What are two elements which are abundant in nebulae?
Ionized hydrogen and helium are the most abundant chemical elements in nebulae.
The two elements most abundant in the universe are?
Hydrogen and helium are the two most abundant elements in the universe.
What are the four main physical elements of the universe?
Hydrogen, helium, oxygen, and carbon are the most abundant elements in the universe.
How many chemical elements occur naturaly in the universe?
There are 94 naturally occurring chemical elements in the universe. These elements range from hydrogen, the most abundant, to uranium, the heaviest naturally occurring element.
What two elements were abundant and vital as the expanding universe began to cool?
Hydrogen and helium - but especially hydrogen.
What elements by percentage do the majority of stars contain?
The percentages vary quite a lot from one star to another. The general tendency, however, is that the majority of stars contain a large percentage of hydrogen. In general, hydrogen is the most abundant element in the Universe - for now. In the future, it will gradually be used up, and there will be less hydrogen, and more of the heavier elements.
Which is the most abundant element in nature?
Q: What is the most abundant element on Earth? A: Oxygen, which composes about 49.5% of the total mass of the Earth's crust, waters and atmosphere, according to the textbook “Modern Chemistry.” Silicon is second at 28%.
Most abundant element in universe?
Hydrogen is the gas tht is found in abundant in universe!!
