Which is the second most abundant element in the universe?

1 Answer. Helium is the second most abundant element in the universe .

Correspondingly, what are the 3 most abundant elements in the universe?

The first three most abundant elements in the universe are hydrogen, helium, and oxygen (in that order).

Additionally, what is the most abundant element in the universe and why? Hydrogen — with just one proton and one electron (it's the only element without a neutron) — is the simplest element in the universe, which explains why it's also the most abundant, Nyman said.

In respect to this, which element is abundant in universe?

Hydrogen

What are the 5 most abundant elements in the universe?

Hydrogen, helium, oxygen, carbon, nitrogen, neon, magnesium, silicon, and iron are the most common elements in the Solar System.

What is the most dangerous element?

Plutonium: A History of the World's Most Dangerous Element.

What is the human body made of?

Almost 99% of the mass of the human body is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Only about 0.85% is composed of another five elements: potassium, sulfur, sodium, chlorine, and magnesium. All 11 are necessary for life.

What is the 8th most abundant element?

Magnesium

Which elements are still abundant today?

Glossary

Element	Abundance measured relative to silicon
Silicon	1
Magnesium	0.91
Iron	0.6
Sulfur	0.38

What is the heaviest known element?

uranium

What is the 3rd element?

Lithium is the 3rd element of the periodic table of elements.

What elements is the Earth made of?

Above the core is Earth's mantle, which is made up of rock containing silicon, iron, magnesium, aluminum, oxygen and other minerals. The rocky surface layer of Earth, called the crust, is made up of mostly oxygen, silicon, aluminum, iron, calcium, sodium, potassium and magnesium.

What is the most abundant gas in space?

By far the predominant gas is carbon dioxide, making up 95.9 percent of the atmosphere's volume. The next four most abundant gases are argon, nitrogen, oxygen and carbon monoxide.

What is the rarest element in the universe?

Astatine

What is the most abundant element in the atmosphere?

nitrogen

What are the 6 abundant metals?

These elements are oxygen, carbon, hydrogen, nitrogen, calcium and phosphorus.

What percent of the universe is carbon?

99 percent

What element makes up 80 percent of the air?

By volume, dry air contains 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.04% carbon dioxide, and small amounts of other gases. Air also contains a variable amount of water vapor, on average around 1% at sea level, and 0.4% over the entire atmosphere.