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kiajett - 1/23/2008 1:12:25 AM
matt - 1/1/2008 6:09:52 PM
how many protons and electrons do oxygen have?
oxygen has 8 protons and 8 electrons here is an equation u can use to help u out : atomic # = # of protons = # of electrons. and to find the # of neutrons heres another equation: atomic # - atomic mass ( round the mass #) = # of neutrons.
Can i have 5 interesting facts about oxygen my project due today!
oxygen makes up about 1/5 of the volume of air. oxygen makes up 2/3 of weight in a human. on average 100 pounds of the earth's crust contains 461/2 pounds of oxygen. every 100 pounds of water has 89 pounds of oxygen. oxygen freezes at -218.4 degrees C
how did oxygen get its symbol? this is the only thing on google that i can find! so if you have and suggestions or web sites i can go to please help me out...i got a project due tomorrow! it is 75% of my grade...!
Symbol:O Atomic #:8 Atomic mass:15.994 Number of protons: 8 Number of Neutrons: 8 Number of electrons: 8 Melting Point: -218.79 *C Boiling Point: - 182.95 *C Normal Phase: gas Cost in 2007: $.30 for 100 grams Nonmetal Chalcogen Family Origin of name: greek (oxus-acid) (gennan-generate) discovered by Joseph Priestly in 1774