There are seven naturally occurring diatomic molecules. What are they?
1 Answer
Apr 10, 2018
Well, five of them are gases, one a liquid, and one a solid at
"N"_2 and"O"_2 are found in the air (78%//21% ), as we know.- Most hydrogen on Earth is found in compounds (e.g. water), and in its atomic or plasma form, although stars and gas giant planets contain plenty of
"H"_2 . - Fluorine is typically found in minerals as the fluoride anion, such as
"CaF"_2 . Supposedly, there may be trace"F"_2 in there... - Chlorine is typically found as the anion in
"NaCl" , and occasionally in minerals in nature. - Bromine is typically found also as an anion in a mineral halide salt, i.e.
"NaBr" , etc. - Iodine typically is found in sea water and oceans as iodate or iodide, but never
"I"_2 .
The five gases are
T_b(H_2) = -252.9^@ "C"
T_b(N_2) = -195.8^@ "C"
T_b(O_2) = -183.0^@ "C"
T_b(F_2) = -188.1^@ "C"
T_b(Cl_2) = -34.04^@ "C"
T_b(Br_2) = 58.00^@ "C"
T_b(I_2) = 184.2^@ "C"
You should be able to say why these show that the molecule is a gas, liquid, or solid at room temperature, i.e. for which of these is