it should be emphasized that the "double bonds" in the benzene ring are of inert character - Π½ΡΠΆΠ½ΠΎ ΠΏΠΎΠ΄ΡΠ΅ΡΠΊΠ½ΡΡΡ, ΡΡΠΎ "Π΄Π²ΠΎΠΉΠ½ΡΠ΅ ΡΠ²ΡΠ·ΠΈ" Π² Π±Π΅Π½Π·ΠΎΠ»ΡΠ½ΠΎΠΌ ΠΊΠΎΠ»ΡΡΠ΅ ΠΈΠΌΠ΅ΡΡ ΠΈΠ½Π΅ΡΡΠ½ΡΠΉ Ρ Π°ΡΠ°ΠΊΡΠ΅Ρ
metallic inert gas - ΠΌΠ΅ΡΠ°Π»Π»ΠΎΠΈΠ½Π΅ΡΡΠ½ΡΠΉ Π³Π°Π·