halogen (鹵素)

halogen

鹵素

halogen (鹵素)

鹵素 (halogen)

halogen

【化】鹵素

halogen (【化】鹵素)

【化】鹵素 (halogen)

The halogens are five non-metallic elements found in group 17 of the periodic table. The term "halogen" means "salt-former" and compounds containing halogens are called "salts". All halogens have 7 electrons in their outer shells, giving them an oxidation number of -1.

Chemical Elements.com - Halogens

Source (資訊來源):

http://www.chemicalelements.com/groups/halogens.html

Info cited on 2016-08-05-WD5 (資訊引用於 中華民國105年8月5日) by 湯偉晉 (WeiJin Tang)