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Oxygen

Discussion board (posts 121-140)

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kiajett - 1/23/2008 1:12:25 AM

  E-mail address 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.

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kiajett - 1/23/2008 1:08:47 AM

  E-mail address Robert - 1/17/2008 3:41:26 PM
  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

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kiajett - 1/23/2008 1:05:48 AM

  tory - 10/13/2007 5:25:04 PM
  whats the normal phase of oxygen?

the normal phase of oxygen is gas

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E-mail address Robert - 1/17/2008 3:41:26 PM

Can i have 5 interesting facts about oxygen my project due today!

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E-mail address Robert - 1/17/2008 3:39:00 PM

  E-mail address matt - 1/1/2008 6:09:52 PM
  how many protons and electrons do oxygen have?

Matt if you look 2 inches up its says protons: 8
Neutrons: 8
electrons: 8

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E-mail address ashley - 1/14/2008 10:31:39 PM

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...!

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E-mail address aloe vera - 1/11/2008 2:23:58 PM

can i have 5 interresting facts about oxygen...in need it for a science prodject or else i will fail the 7th grade

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E-mail address science girl - 1/10/2008 2:59:57 PM

How much does oxygen cost? please help me

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Julie - 1/2/2008 9:07:23 PM

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

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E-mail address matt - 1/1/2008 6:09:52 PM

how many protons and electrons do oxygen have?

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E-mail address alyssa - 12/30/2007 12:25:21 AM

what are the family name for oxygen?

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E-mail address Kyleigh - 12/20/2007 2:02:08 PM

It was discovered in 1774...Its melting point is -218.79 C and its boiling point is -182.95 C.

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E-mail address Kyleigh - 12/20/2007 1:53:47 PM

What is Oxygens state of matter? And what is oxygen's family name?

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random person =) - 12/12/2007 11:13:44 PM

what family number does oxygen belong to?
oxygen has an atomic # of 8, atomic mass of 16, 8 protons, neutrons, and electrons

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katie - 12/7/2007 7:42:43 PM

how many protons does oxygen have?

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E-mail address britney - 12/5/2007 7:48:14 PM

what is the number of protons in oxygen?

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E-mail address Solange Cordero - 12/4/2007 11:33:36 PM

What is the family of oxygen in the periodic table?

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E-mail address Alex - 12/3/2007 10:53:56 PM

how much does oxygen cost?

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E-mail address jim - 11/30/2007 5:42:22 PM

  E-mail address Jessica - 11/30/2007 6:43:07 AM
  What is the normal phase for oxygen?

the normal phase is gas

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E-mail address jim - 11/30/2007 5:41:22 PM

  Cassie - 11/19/2007 6:04:03 PM
  What is the cost of oxygen?

the cost of oxygen is $0.3 for 100g.

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