NPC Dmg Type Weakness
Angel Kinetic/Explosive Explosive
Amarr Navy EM/Thermal Thermal
Blood Raiders EM/Thermal EM
Caldari Kinetic/Thermal Thermal/Kinetic
Gallente Kinetic/ Thermal Thermal
Guristas Kinetic/Thermal Kinetic
Khanid EM/Thermal Thermal
Minmatar Thermal/Explosive Thermal/Explosive
Mercenary EM/Thermal/Kinetic Thermal
Mordus Kinetic/Thermal Kinetic
Drones all damage types EM
Sansha EM/Thermal EM
Serpentis Kinetic/Thermal Thermal

Preparing for Level 1-5 Missions
http://eve-survival.org/wikka.php?wakka=MissionReports

Race Sensor Type Jammer
Caldari - Gravimetric = Spatial Destabilizer
Amarr - Radar = White Noise
Gallente - Magnetometric = Ion Field
Minmatarr - Ladar = Phase Inverter