{"id":14197,"date":"2020-12-22T09:01:42","date_gmt":"2020-12-22T03:31:42","guid":{"rendered":"https:\/\/cbselibrary.com\/?p=14197"},"modified":"2020-12-22T10:00:57","modified_gmt":"2020-12-22T04:30:57","slug":"physical-chemical-properties-group-18-elements","status":"publish","type":"post","link":"https:\/\/cbselibrary.com\/physical-chemical-properties-group-18-elements\/","title":{"rendered":"Physical and Chemical Properties of Group 18 Elements"},"content":{"rendered":"

Physical and Chemical Properties of Group 18 Elements<\/strong><\/h2>\n

Elements in Group 18 of the Periodic Table are:
\nHelium, Neon, Argon, Krypton, Xenon, Radon
\nThese elements are known as noble gases.<\/strong><\/p>\n

Physical properties of noble gases<\/strong><\/h3>\n

1.<\/strong> Table shows some physical properties of Group 18 elements.<\/p>\n\n\n\n\n\n\n\n\n\n
Element<\/strong><\/td>\nHelium<\/td>\nNeon<\/td>\nArgon<\/td>\nKrypton<\/td>\nXenon<\/td>\nRadon<\/td>\n<\/tr>\n
Proton number<\/strong><\/td>\n2<\/td>\n10<\/td>\n18<\/td>\n36<\/td>\n54<\/td>\n86<\/td>\n<\/tr>\n
Atomic radius (nm)<\/strong><\/td>\n0.050<\/td>\n0.070<\/td>\n0.094<\/td>\n0.109<\/td>\n0.130<\/td>\n–<\/td>\n<\/tr>\n
Melting point (\u00b0C)<\/strong><\/td>\n-272<\/td>\n-249<\/td>\n-189<\/td>\n-157<\/td>\n-112<\/td>\n-71<\/td>\n<\/tr>\n
Boiling point (\u00b0C)<\/strong><\/td>\n-269<\/td>\n-246<\/td>\n-185<\/td>\n-152<\/td>\n-107<\/td>\n-62<\/td>\n<\/tr>\n
Physical state<\/strong><\/td>\nGas<\/td>\nGas<\/td>\nGas<\/td>\nGas<\/td>\nGas<\/td>\nGas<\/td>\n<\/tr>\n
Density (g dm-3<\/sup>)<\/strong><\/td>\n0,18<\/td>\n0.84<\/td>\n1.66<\/td>\n3.73<\/td>\n5.89<\/td>\n9.73<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2. Atomic radius (atomic size)<\/strong><\/p>\n