Paper 1 May/June 2005 CHEMISTRY (9701/01) IGCSE
Arsenic forms a compound with fluorine. In this compound, the arsenic atom has no lone pair of electrons and there are no dative bonds.
Selenium also forms a compound with fluorine. In this compound, the selenium atom has no lone pair of electrons and there are no dative bonds.
In which compounds are there two different bond angles?
(In this question, 180$^\circ$ bond angles should…