[DOC] [TLE] Elements in the Earth's Crust - Windows to the Universe [PAR] Brought to you by the National Earth Science Teachers Association  Sun ... 
Together, these 8 elements make up more than 98% of the crust. The 8 most 
common elements in Earth's crust (by mass): ... Element (Chemical Element). An 
element... [DOC] [TLE] What elements make up the Sun? (Beginner) - Curious About ... [PAR] Jun 28, 2015 ... What elements make up the Sun (eg. iron oxygen....etc)? ... and helium since 
these are the elements formed shortly after the Big Bang, whereas... [DOC] [TLE] What is the Sun Made Of? - Space.com [PAR] Aug 17, 2012 ... Nuclear fusion converts hydrogen into other elements. The sun is also composed of about 26 percent helium and trace amounts of other elements  oxygen, carbon, neon, nitrogen, magnesium, iron and silicon. These elements are created in the sun's core, which makes up 25 percent of the sun. [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 produced ... Hydrogen and helium are estimated to make 
up roughly 74% and 24% of all ... These other elements are generated by stellar 
processes. [DOC] [TLE] Composition of the Sun - HyperPhysics [PAR] Element. Abundance (percentage of total number of atoms). Abundance (
percentage of total mass). Hydrogen. 91.2. 71.0. Helium. 8.7. 27.1. Oxygen. 0.078
. 0.97. [DOC] [TLE] Chemical Elements [PAR] In many ways these two descriptions of a miner- al form the basis for ... sium
compose over 98% of the Earth's crust by weight (Figure 1.3). ... elements, in turn, 
make up the building blocks for the vast majority ... away from the sun of the body 
when the planets .... composition, but the coordination of oxygens around the Al 
in... [DOC] [TLE] Earth is the Most Exotic Place In The Universe - Universe Today [PAR] Apr 19, 2013 ... The two most common elements are hydrogen and helium, numbers 1 and 2 in 
the periodic table; together they make up 98% of all the visible ... These first suns 
were made of almost pure hydrogen and helium. ... A selection of molecules (
chemical compounds) including water found in the ... Atom Structure. [DOC] [TLE] The Chemistry [PAR] Chemical energy derived from sun- ... These minerals account for as much as 2 
percent of the human body weight. ... hundred make up 98 percent of the mass of 
any living organism: hydrogen (H), car- ... There are over 100 elements ... number 
of atoms in one gram-atom of an element is always equal to 6.0235 X 1023. [DOC] [TLE] atmosphere - National Geographic Society [PAR] Oct 7, 2011 ... These planets are called gas giants, because they are mostly made of ... The 
bottom 30 kilometers (19 miles) of the atmosphere contains about 98 percent of 
its mass. ... or other autotroph uses to make food and oxygen from carbon dioxide 
..... chemical element with the symbol C, which forms the basis of all... [DOC] [TLE] Chemistry and Chemical Reactivity 8th Edition.pdf - Chemistry 166 ... [PAR] Jun 21, 2013 ... Note: Atomic masses are 2007 IUPAC values (up to four decimal places). ... (10) 
8B Periodic Table of the Elements kotz_48288_00a_ EP2-3_SE.indd 2 11/22/10 
..... OF THE SUN Principles of Chemical Reactivity: Energy and Chemical ..... 
Over of these questions are available in OWL, more than double the... [DOC] [TLE] Free Flashcards about ASTRONOMY - StudyStack [PAR] THE BRANCH OF ASTRONOMY THAT DEALS WITH THE STRUCTURE AND ... 
THESE 2 ELEMENTS MAKE UP OVER 98% OF THE SUN'S CHEMICAL... [DOC] [TLE] Star Elements In The Human Body - GOSTRA [PAR] Almost 98% of the mass of the human body is made up of six star elements: 
oxygen, ... And while just over half of them are hydrogen atoms, all the

Question: These 2 elements make up over 98% of the sun's chemical composition
Answer: hydrogen and helium