Hydrogen 73.46%
Helium 24.85%
Hydrogen is the most abundant element in the sun, making up about 75% of its mass. Helium is the next most abundant element, at around 24%. Together, these two elements account for roughly 99% of the sun's composition.
Oxygen and silicon are the two most abundant elements found in the most common minerals. The most common minerals found on Earth are silicates.
Hydrogen and helium are the most abundant elements in stars.
Oxygen and silicon are the two most abundant elements in the Earth's crust. They make up about 75% of the Earth's crust by weight.
The two most abundant element's in the earth's crust are oxygen and silicon. Refer to the related link to see a list of the most abundant elements in the earth's crust.
Ionized hydrogen and helium are the most abundant chemical elements in nebulae.
The two most abundant elements in nebulae are hydrogen and helium. These elements make up the majority of the mass in interstellar clouds and are the building blocks for the formation of stars and planets.
Hydrogen and Helium. :)
Hydrogen and oxygen
The two most abundant elements in a main sequence star are hydrogen and helium. Hydrogen is the primary element, composing about 75% of the star's mass, while helium makes up most of the remaining mass.
The two most abundant elements in the Earth's crust are: Oxygen (46.1%/461,000ppm), and Silicon (28.2%/282,000ppm).
Oxygen & Nitrogen.