By mass, hydrogen = 75%, helium = 23%.
The size of a fraction, also known as Its magnitude can be thought of as the distance of the fraction from zero on the number line.
A compound fraction, also known as a mixed number, is a fraction which comprises a whole part and a fractional part.
153 can be expressed as a fraction by writing it over 1, since any number divided by 1 equals itself. Therefore, 153 as a fraction is 153/1. This fraction is known as an improper fraction, as the numerator (153) is greater than the denominator (1).
Find the GCF of the numerator and denominator and divide them both by it. If the GCF is 1, the fraction is in its lowest terms, also known as simplest form.
Put the remainder on top of the divisor and that is the fraction. Remember that a number which divides the other number is known as the divisor. So if we have 4 divided by 2, then 2 is the divisor and 4 is the dividend.
In our known universe, hydrogen then helium. But this may change with further exploration.
When hydrogen and helium atoms first formed in the universe, the temperature ranged from about 3000 to 4000 Kelvin. This temperature allowed protons and electrons to combine to form neutral hydrogen atoms, a process known as recombination. Subsequently, the universe became transparent to radiation for the first time.
Hydrogen is the most abundant element in the known Universe; helium is second.
Hydrogen is the most abundant element in the known Universe; helium is second.
is found in the form of hydrogen and helium. These elements were created during the Big Bang, and all other elements found in the universe were formed through processes like nuclear fusion in stars. Only a small fraction of the universe is made up of heavier elements like carbon, oxygen, and iron.
In the current stage of the Universe, stars start off with lots of hydrogen-1 - and that's what they first fuse, since fusing heavier elements requires higher temperatures.Actually, hydrogen-2 (also known as deuterium) is even easier to fuse, but stars don't have significant amounts of that.
Helium cannot be turned into hydrogen to produce energy. Helium and hydrogen are two different elements with different atomic structures and properties. However, fusion reactions involving hydrogen isotopes such as deuterium and tritium can produce energy in a process known as nuclear fusion.
In a star's nuclear reactions, hydrogen is converted into helium. This process, known as nuclear fusion, occurs in the core of a star, where high temperatures and pressures cause hydrogen atoms to combine to form helium.
Hydrogen fusion occurs in stars to create helium. This process, known as nuclear fusion, involves the fusion of hydrogen nuclei to form helium nuclei, releasing large amounts of energy in the process.
Yes. Well, actually, it isn't entirely made of hydrogen and helium. It's also made of carbon-based substances and methane gas. The hydrogen burning into helium is what makes the star bright. This is also known as luminosity. Which is how bright something is.
Hydrogen is the lightest element in the universe, with a single proton and one electron in its nucleus.
no, it's a constant explosion by gases known as helium, hydrogen. it is a fire, not a liquid.