ABOUT COM,AUTOS,CAREERS,DATING,RELATIONSHIPS,EDUCATION,ESPA,ENTERTAINMENT,FOOD,HEALTH,MONEY,PARENTING,RELIGION,SPIRITUALITY,SPORTS,STYLE,TECH,TRAVEL,OXYGEN,FACTS,INTERESTING,CHEMISTRY,ELEMENTAL,COMPOSITION OF THE HUMAN BODY,CAUSES,THE AURORA,BOREALIS,COLORS,PICTURES,FEATURES,BREATH OF LIFE,LIQUID OXYGEN,BLUE,BOILS,ROOM TEMPERATURE AND PRESSURE,GETTY IMAGES,ANNE MARIE,PH D,EXPERT,SHARE,TWEET,STUMBLE,POST,AUGUST 10,ATOMIC NUMBER 8,ELEMENT SYMBOL,DISCOVERED,CARL WILHELM SCHEELE,PUBLISH,WORK,IMMEDIATELY,CREDIT,JOSEPH PRIESTLY,HERE,ELEMENT,YOU CAN,FIND,ELEMENT 39,PERIODIC TABLE,PAGE,ANIMALS AND PLANTS,RESPIRATION,PLANT,PHOTOSYNTHESIS,OXYGEN CYCLE,MAINTAINING,GAS,ESSENTIAL,TOO MUCH,TOXIC,LETHAL,SYMPTOMS,POISONING,VISION LOSS,MUSCLE TWITCHING,SEIZURES,NORMAL PRESSURE,OXYGEN GAS,ODORLESS,TASTELESS,PURIFIED,DISTILLATION,LIQUEFIED AIR,WATER,SILICA,CARBON DIOXIDE,LIQUID,SOLID OXYGEN,PALE BLUE,TEMPERATURES,HIGHER,PRESSURES,CHANGES,APPEARANCE,MONOCLINIC,CRYSTALS,ORANGE RED,BLACK,CONTINUE,READING,BELOW,VIDEO,THE SEVEN WONDERS OF THE WORLD,NON METAL,THERMAL,ELECTRICAL CONDUCTIVITY,HIGH,ELECTRONEGATIVITY,IONIZATION ENERGY,SOLID,BRITTLE,RATHER,MALLEABLE,DUCTILE,ATOMS,GAIN,ELECTRONS,COVALENT,CHEMICAL BONDS,NORMALLY,DIVALENT,MOLECULE,OZONE,PURE OXYGEN,ATOMIC,SINGLET OXYGEN,NATURE,BONDS,ELEMENTS,UPPER,ATMOSPHERE,ATOM,OXIDATION NUMBER,OF 2,COMBUSTION,TRULY,FLAMMABLE,OXIDIZER,BUBBLES,BURN,PARAMAGNETIC,MEANS,MAGNET,RETAIN,PERMANENT,MAGNETISM,THE MASS,THE HUMAN BODY,ABUNDANT ELEMENT,THE BODY,HYDROGEN ATOMS,ACCOUNT,LESS,THE EARTH,CRUST,THE THIRD,COMMON,THE UNIVERSE,STARS,HYDROGEN,HELIUM,EXCITED,BRIGHT RED,GREEN,YELLOW GREEN,PRIMARY,IMPORTANCE,BRIGHT,COLORFUL,AURORAS,ATOMIC WEIGHT,STANDARD,THE OTHER,CARBON 12,GOOD,CHOICE,THE STANDARD,ISOTOPES,NATURAL ISOTOPES,OXYGEN 16,OXYGEN 15,SO CLOSE,SHOW,FULL,ARTICLE,RELATED,THE PERIODIC TABLE,THE WEB,ZERGNET,INTRODUCTION TO,EXPERIMENTS,LABS,PROJECTS,CHEMICAL ENGINEERING,BRANCHES,HOMEWORK HELP,ONLINE,STUDY,RESOURCES,MOLECULES,INFORMATION,GROW,CRYSTAL,RECIPES,INFORMATION SCIENCE,FAIR,FOR KIDS,EVERYDAY LIFE,THINGS,LAB,SAFETY,CHEMICALS,CHEMISTRY LAB,LABORATORY,PHOTOS,TABLES,FOLLOW US,THE BEST OF,YOUR,INBOX,YOURE,MIGHT,ENJOY,SIGN,UP THERE,ERROR,PLEASE,SELECT,NEWSLETTER,ENTER,VALID,EMAIL ADDRESS,MEAN,THANK YOU,OUR STORY,ADVERTISE,SITE MAP,HELP,WRITE,TERMS OF USE,POLICIES,ABOUT INC,MDASH,ALL RIGHTS RESERVED,THE BALANCE,