[DOC] [TLE] Chapter 2 Section 2.1 Flashcards | Quizlet [PAR] Chapter 2 Elements are the building blocks of matter 2.1 Elements Unit 1 Atoms, 
Elements and Compounds. ... H - hydrogen is the lightest element. ... Which 
element makes up over 90 percent of the atoms in the universe? H - hydrogen... [DOC] [TLE] How elements are formed | Sciencelearn Hub [PAR] Oct 22, 2009 ... An element is a pure substance made of atoms that are all of the same type. ... 
During the formation of the universe some 14 billion years ago in the so-called '
Big Bang', only the lightest elements were formed  hydrogen and helium ... and 
protons are released, and it is these that make up the solar wind. [DOC] [TLE] Free Flashcards about Physics Test Notes - StudyStack [PAR] why are atoms important? they make up everything in the universe we see, feel, 
... it is the lightest element, makes up over 90% of all the atoms in the universe. [DOC] [TLE] Hydrogenthe essentials [WebElements Periodic Table] [PAR] Hydrogen is the lightest element. It is by far the most abundant element in the 
universe and makes up about about 90% of the universe by weight. It is also the... [DOC] [TLE] Hydrogen - Periodic Table of Elements: Los Alamos National ... [PAR] Hydrogen is the most abundant of all elements in the universe. ... Hydrogen is 
estimated to make up more than 90% of all the atoms -- three quarters of the 
mass ... The lightest of all gases, hydrogen combines with other elements -- 
sometimes... [DOC] [TLE] Abundance of the chemical elements - Wikipedia [PAR] The abundance of a chemical element is a measure of the occurrence of the 
element relative to ... Remaining elements, making up only about 2% of the 
universe, were largely ... Elements of higher atomic number than iron (element 26
) become ... Hydrogen and helium are estimated to make up roughly 74% and 24
% of all... [DOC] [TLE] Hydrogen(H) is a gas, and is the first element on the periodic table. It ... [PAR] Hydrogen, H, atomic number one, is the lightest element. Hydrogen ... Hydrogen;
H; The element hydrogen makes up most of the universe and powers our stars 
but it is ... universe. It is estimated that 90% of the visible universe is composed of. [DOC] [TLE] The big bang left the universe with its first atoms [PAR] Today, about 90% of the universe is ... At this time the universe had cooled 
sufficiently for atoms to exist. ... But this process only created the lightest four 
elements. How ... Once all the hydrogen in the core has been used up, helium is 
fused into. [DOC] [TLE] Hydrogen - Conservapedia [PAR] Jun 28, 2016 ... Due to having the lowest possible atomic number hydrogen is the lightest 
element. As a result of this ... Hydrogen makes up 75% of all matter in the 
universe by mass. Well over 90% of all atoms in the universe are hydrogen. It is 
the main element found in stars and gas-giant (Jovian) planets. Huge clouds of... [DOC] [TLE] Hydrogen - EnchantedLearning.com [PAR] Hydrogen is the lightest element and makes up most of the universe (about 90% 
of the universe is made of hydrogen). Hydrogen is a major component of stars. [DOC] [TLE] hydrogen facts, information, pictures | Encyclopedia.com articles ... [PAR] As noted earlier, these two elements make up all but 0.01% of the known 
elemental mass of the universe, and are the principal materials from which stars 
are formed. ... Having just one electron, hydrogen can bond to other atoms in one 
of two ways. ..... Because hydrogen is the lightest known gas and is relatively 
cheap to... [DOC] [TLE] Ch 17 Notes [PAR] 2)electrons hydrogen- the lightest of all elements most abundant element in 
universe (90% of all atoms are H) helium- second lightest element makes up 
most of... [DOC] [TLE] Facts About Hydrogen - Live Science [PAR] Jan 23, 2015 ... The most abundant element in the universe, hydrogen is also a ... "forming," 
hydrogen

Question: Atoms of this lightest element make up about 90% of the universe
Answer: Hydrogen