Halogens
Group 17
Halogens...
The halogens are nonmetals and they are also very reactive. They are very reactive because their atoms only need to gain one electron to have a full outer level. Halogens usually combine with metals to collect their missing electron. The halogens group contains five elements those elements are fluorine, chlorine, bromine, iodine, and astatine.
- Fluorine - Riley
- Chlorine - Grace
- Bromine - Bailey
- Iodine - Shea
- Astatine - Elizabeth
Astatine is one of the most unstable metals with a chemical symbol of At and an atomic number of 85. It's also one of the rarest metals on earths crust.
ReplyDeleteChlorine has a symbol of Cl. People use chlorine in swimming pools to keep them clean. Chlorine's atomic number is 17. In 1774 Chlorine was founded. 36 is chlorine's atomic mass. Chlorine is a nonmetal and a gas.
ReplyDeleteBromine is an element with the symbol Br and an atomic number of 35. It is a red/brown color and a liquid at room temperature.
ReplyDeleteFluorine has a symbol of F and an atomic number of 9. Fluorine is also the lightest halogen.
ReplyDeleteTellurium has a symbol of Te. Tellurium atomic number is 52. It was found in 1782. Tellurium has an atomic mass of 128. Tellurium is a part of the metalloids. It is a solid.Tellurium is part of the periodic table. It is in group 16 period 5.
ReplyDeleteKrypton has a symbol of Kr. Its atomic number is 36. It has an atomic mass of 84. Krypton is a gas and a nonmetal.
ReplyDeleteThallium has a symbol of Tl. It has an atomic number of 81. Thallium's atomic mass is 204. Thallium is a metal and a solid.
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