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www.chemicool.com/elements/hydrogen-facts.html

Here are 12 interesting facts about hydrogen, the simplest and commonest element in the universe. You can find out much more on our main hydrogen page . 1.

www.undeerc.org/NCHT/midH2Works/QuickFacts.aspx

Hydrogen Quick Facts. Hydrogen is an essential element of our world. In fact, hydrogen makes up about 75% of the mass of the universe. It is found in the sun  ...

www.softschools.com/facts/periodic_table/hydrogen_facts/177

Interesting Hydrogen Facts: Majority of the Universe's mass (75%) is comprised of Hydrogen. It is the most abundant of all chemical elements. Because ...

www.thoughtco.com/hydrogen-element-facts-606474

Mar 7, 2017 ... Here are 10 hydrogen facts that cover the most interesting and important features of the first element of the periodic table.

www.livescience.com/28466-hydrogen.html

Jan 23, 2015 ... The most abundant element in the universe, hydrogen is also a promising source of "clean" fuel on Earth. Named after the Greek words hydro ...

www.sciencekids.co.nz/sciencefacts/chemistry/hydrogen.html

Interesting facts about hydrogen ... The chemical symbol of hydrogen is H. It is an element with atomic number 1, this means that 1 proton is found in the nucleus ...

www.ducksters.com/science/chemistry/hydrogen.php

Interesting Facts about Hydrogen. Scientists estimate that Hydrogen makes up over 90 percent of all the atoms in the universe. It is the only element that can ...

igentry.blogspot.com/2008/06/interesting-facts-about-hydrogen.html

Jun 17, 2008 ... The relative atomic mass of Hydrogen is 1.00797 making Hydrogen the lightest of all the elements. When combined with Oxygen, Hydrogen ...

www.scienceforkidsclub.com/hydrogen.html

Hydrogen Facts. Hydrogen is the most common element found on Earth. It is extremely ... The Fun Facts About Hydrogen ~ Did You Know… hydrogen is 14 ...