answersLogoWhite

0

H Hydrogen which is the lightest element that is highly flammable element and He Helium the second lightest element with no fire risk. This is why helium is used in making balloons than hydrogen which is much lighter than helium.

User Avatar

Wiki User

14y ago

What else can I help you with?

Related Questions

What is a compound comprised of?

A chemical compound is comprised of two or more chemical elements. For example, water, H2O, is comprised of hydrogen and oxygen. Some compounds are tremendously more complicated than water, but all compounds are composed of elements.


What are two major elements in a star?

hydrogen and helium


What are the two main elements in a star?

The two main elements found in stars are hydrogen and helium. These elements are the most abundant in stars and are essential for nuclear fusion reactions that power a star's energy generation.


What two elements make up the most of matter in a star?

The exact mix is different depending on the star's age and size, but hydrogen and helium are always the two most prevalent elements.


What two elements make up most of the matter in star?

The exact mix is different depending on the star's age and size, but hydrogen and helium are always the two most prevalent elements.


What is the element Fe?

IRON see chemical elements .com http://www.chemicalelements.com/


What are the two most abundant elements in a main sequenced star?

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.


What is a trinity of two called?

A trinity is comprised of three; a diad is comprised of two.


What two elements make up the most matter in a star?

Hydrogen and Helium


What two elements make iron?

Iron is an element in its own right. So there are no two elements that make iron. However, Steel is an alloy of iron and carbon. Iron and Carbon are tweo different elements. So steel contains two different elements.


What are the two elements lipids are made mostly of?

Lipids are mostly made of hydrogen and carbon atoms. These two elements form the hydrocarbon chains found in lipids, which provide energy storage and structural components in biological systems.


What country is comprised of two former European colonies?

japan is comprised of two former European colonies!!!!!