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By: ammar yasir
ELEMENTS,COMPOUND AND
MIXTURE.
THE FOUR ANCIENT ELEMENT
.IN OUR UNIVERSE HYDROGEN MAKES UP 75% OF ALL MATTER.
.HELIUM MAKE UP ABOUT 20% WITH OXYGEN BEGIN THE 3RD MOST
ABUNDEND ELEMENT.
.ALL OF OTHER ELEMENT ARE RELATIVELY RARE IN THE UNIVERSE.
ELEMENT IN UNIVERSE.
.ELEMETS ARE PURE SUBSTANCE.
.MADE OF ONLY ONE KIND OF MATERIAL, HAS DEFINITE PROPERTIES,
AND IS THE SAME ALL THROUGHOUT.
.ELEMENTS ARE THE SIMPLEST PURE SUBSTANCE.
.THEY CANNOT BE BROKEN DOWN INTO SIMPLER SUBSTANCE
WITHOUT LOSING THEIR IDENTITY.
ELEMENTS
Thank you
Done by
Ammar yasir
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