Diatomic Molecules

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Diatomic Molecules
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Nitrogen gas molecules
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A Collection of Argon Atoms
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Oxygen gas molecules
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Diatomic Molecules
Hydrogen (H2) atomic radius 37 pm
Chlorine (Cl2) atomic radius 99 pm
Distance between nuclei
Nucleus
Fluorine (F2) atomic radius 64 pm
Bromine (Br2) atomic radius 114 pm
Oxygen (O2) atomic radius 66 pm
Atomic radius
Iodine (I2) atomic radius 138 pm
Nitrogen (N2) atomic radius 71 pm
HOBrFINCl twins
H2 O2 Br2 F2 I2 N2 Cl2
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Diatomic Molecules
Elements That Exist as Diatomic Molecules in
Their Elemental Forms
Element Present Elemental State at 25 oC
Molecule hydrogen
colorless gas H2 nitrogen
colorless gas N2 oxygen pale
blue gas O2 fluorine pale
yellow gas F2 chlorine pale
green gas Cl2 bromine
reddish-brown liquid Br2 iodine
lustrous, dark purple solid I2