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From the periodic table ,some elements have 2 on the side of them .Why is that and do all element have that? e.g H 2
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Some molecules, for example those in group 7 (the halogens) are diatomic molecules. Therefore exist as Cl2, O2 etc
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Thank you :-)
(Original post by Jfueofkrnb)
Some molecules, for example those in group 7 (the halogens) are diatomic molecules. Therefore exist as Cl2, O2 etc
Some molecules, for example those in group 7 (the halogens) are diatomic molecules. Therefore exist as Cl2, O2 etc
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