2006-09-20 08:47:58 · 13 answers · asked by jas 2 in Science & Mathematics ➔ Biology
A compound is composed of two or more elements. Therefore H2O and CO2 are compounds. O2 and H2 are not.
2006-09-20 08:49:56 · answer #1 · answered by PaulCyp 7 · 2⤊ 1⤋
co2 and H2O are compounds. O2 and H2 are molecular elements.
2006-09-21 16:31:00 · answer #2 · answered by Kate W 2 · 0⤊ 0⤋
CO2 and H2O compounds are formed from different elements.
2006-09-20 15:55:42 · answer #3 · answered by wingnutrosie 3 · 0⤊ 0⤋
By its very definition - chemical compound - a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight.
Therefore in the above they are ALL compounds with the exception of O2 which is just 2 molecules of oxygen and H2 which is 2 molecules of hydrogen. :)
2006-09-20 15:51:11 · answer #4 · answered by mancunian_nick 4 · 0⤊ 1⤋
Co2,h2o not sure if two of the same elements aer compounds though.
2006-09-20 15:50:40 · answer #5 · answered by Talach_Ninneed 2 · 0⤊ 1⤋
CO2 & H2O The others are just diatomic.
2006-09-20 15:50:42 · answer #6 · answered by roxy667 3 · 0⤊ 1⤋
CO2 and H2O
2006-09-20 16:01:11 · answer #7 · answered by seandougy 2 · 0⤊ 1⤋
CO2 and H20 are compounds.
2006-09-20 15:56:07 · answer #8 · answered by Anonymous · 0⤊ 0⤋
co2 and h2o
2006-09-20 15:56:47 · answer #9 · answered by avatar 1 · 0⤊ 1⤋
H2O
2006-09-20 15:50:19 · answer #10 · answered by Apollo 2 · 0⤊ 1⤋