The most abundant element in the universe is

The most abund ant element in the universe is __________

The most abundant elements in the universe are

Name the most abundant element in the universe.

What is the most abundant element in the universe?

Which is the most abundant element in the universe?

Which is the most abundant element in the universe?

Which are most abundant elements in the universe ?

Hydrogen is the most abundant element in the universe. But in free state it is almost not found in earth's atmosphere. Suggest any three method for the preparation of H_2 , gas.