Reactive Nonmetals

11 elements classified as reactive nonmetals, from Hydrogen (atomic number 1) to Iodine (53).

1HHydrogen1.0086CCarbon12.0117NNitrogen14.0078OOxygen15.9999FFluorine18.99815PPhosphorus30.97416SSulfur32.0617ClChlorine35.4534SeSelenium78.97135BrBromine79.90453IIodine126.904