¶¶ NABTEB GCE 2017 Chemistry Obj and Essay Answer — Nov/Dec Expo
WELCOME TO AYOSTUFFS GCE COMMERCE PORTAL +++++++++++++++++++++++++++++++++++ REFRESH THIS PAGE EVERY 5MIN +++++++++++++++++++++++++++++ *NABTEB CHEMISTRY OBJ AND THEORY* 1-10 BDCACCCBDD 11-20 BCCCBADAAC 21-30 CCDBADACBC 31-40 CDDCAACCBD 41-50 DBCADBACBA (1ai) In a degenerated orbital there are no two electrons that can have the same four Quantum numbers. (1aii) An ionic bond involves the loose and gain of electrons. A covalent bond involves the sharing of electrons by two atoms where both atoms contribute. A dativ bond involves sharing of electrons but only one atom contribute the electrons to be shared (1bi) Periodic law states that atoms are arranged in order Of increase in their atomic number (1bii) - Does not form common compounds - k10 - liberates hydrogen from cold water - J3 - Are halogens - N17 - Are in the same group - J31L13 - Forms ions by loss of three electrons - L13 (1c) - Water - Ammonia - Triangular pyramid - ...