Pseudophryne. The corroboree frog is incredibly distinctive with its bright yellow and black striped skin. The upper surface has a rough texture whilst the belly is smooth and either black and yellow or black and white.Females are larger in size than males and, unusually, neither sex has webbed toes.seudophryne. The corroboree frog is incredibly distinctive with its bright yellow and black striped skin. The upper surface has a rough texture whilst the belly is smooth and either black and yellow or black and white.
(b) P4 is non polar covalent. (c) BF3 is non polar covalent molecule (individual B-F bonds are polar but the net dipole moment is zero due to its triangular planar geometry).b) P4 is non polar covalent. (c) BF3 is non polar covalent molecule (individual B-F bonds are polar but the net dipole moment is zero due to its triangular planar geometry).
Select the correct statement about pi-bonds in valence bond theory. A) A sigma bond is stronger than a pi bond. B) A pi bond can hold 4 electrons, two above and two below the Ï-bond (sigma) axis. C) A carbon-carbon double bond consists of two Ï (pi) bonds. D) A Ï bond is the same strength as a Ï... show more Select the correct statement about pi-bonds in valence bond theory. A sigma bond is stronger than a pi bond. B) A pi bond can hold 4 electrons, two above and two below the Ï-bond (sigma) axis. C) A carbon-carbon double bond consists of two Ï (pi) bonds. D) A Ï bond is the same strength as a Ï bond. E) A Ï bond between two carbon atoms restricts rotation about the CâC axis.