Now use the diagram below to locate the external structures on your grasshopper. A grasshopperâs eardrum, or tympanum, is located below the second pair of wings on each side of the thorax. Locate the tympanum on your grasshopper using the picture below. The tympanum is used for hearing. tympanum Like all insects, grasshoppers have six legs.
Ionic bonding is the bonding that involves a transfer of electrons.
1. ionic bond-a chemical bond in which one atom loses an electron to form a positive ion and the other atom gains an electron to form a negative ion. electrostatic bond, electrovalent bond. bond, chemical bond-an electrical force linking atoms.