If you aren't killing multiple units at once, using kill score could work perfectly with hyper triggers, another good way is just to detect if there is at least 1 kill score then set it back to 0 and give the minerals, if you want the kill scores, here they are, from here on I'm just going to link people to this post:
TERRAN
Men:
Marine - 100
Ghost - 350
Vulture - 150
Goliath - 400
Siege Tank - 700
SCV - 100
Firebat - 200
Medic - 250
Wraith - 800
Science Vessel - 1250
Dropship - 600
Battlecruiser - 2400
Valkyrie - 800
Gui Montag (Firebat) - 400
Civilian - 10
Sarah Kerrigan (Ghost) - 700
Alan Schezar (Goliath) - 800
Jim Raynor (Vulture) - 300
Jim Raynor (Marine) - 200
Tom Kazansky (Wraith) - 1600
Magellan (Science Vessel) - 2500
Edmund Duke (Siege Tank) - 1400
Arcturus Mengsk (Battlecruiser) - 4800
Hyperion (Battlecruiser) - 4800
Norad II (Battlecruiser) - 4800
Samir Duran (Ghost) - 700
Alexei Stukov (Ghost) - 700
Gerard DuGalle (Battlecruiser) - 4800
Special:
Vulture Spider Mine - 25
Buildings:
Command Center - 1200
Supply Depot - 150
Refinery - 150
Barracks - 225
Academy - 300
Factory - 600
Starport - 600
Science Facility - 825
Engineering Bay - 195
Armory - 300
Missile Turret - 150
Bunker - 150
Addons:
Comsat Station - 225
Nuclear Silo - 225
Control Tower - 300
Covert Ops - 225
Physics Lab - 225
Machine Shop - 225
Special Buildings:
Norad II (Crashed Battlecruiser) - 5000
Ion Cannon - 5000
Psi Disruptor - 3600
Power Generator - 600
Independent:
Independent Starport - 10
ZERG
Men:
Zergling - 50
Hydralisk - 350
Ultralisk - 1300
Broodling - 25
Drone - 100
Defiler - 450
Infested Terran - 400
Lurker - 500
Overlord - 200
Mutalisk - 600
Guardian - 1100
Queen - 800
Scourge - 200
Devourer - 1100
Torrasque (Ultralisk) - 2600
Matriarch (Queen) - 1600
Infested Kerrigan (Infested Terran) - 4000
Unclean One (Defiler) - 900
Hunter Killer (Hydralisk) - 500
Devouring One (Zergling) - 100
Kukulza (Mutalisk) - 1200
Kukulza (Guardian) - 2200
Yggdrasill (Overlord) - 400
Infested Duran - 700
*:
Larva - 10
Egg - 25
Cocoon - 10
Buildings:
Infested Command Center - 900
Hatchery - 900
Lair - 1200
Hive - 1500
Nydus Canal - 225
Hydralisk Den - 300
Defiler Mound - 450
Greater Spire - 1350
Queen's Nest - 525
Evolution Chamber - 120
Ultralisk Cavern - 825
Spire - 750
Spawning Pool - 225
Creep Colony - 120
Spore Colony - 195
Sunken Colony - 240
Extractor - 75
Special Buildings:
Overmind (With Shell) - 10000
Overmind - 10000
Mature Crysalis - 5000
Cerebrate - 2500
Cerebrate Daggoth - 2500
Overmind Cocoon - 4000
PROTOSS
Men:
Dark Templar - 650
Dark Archon - 1300
Probe - 100
Zealot - 200
Dragoon - 500
High Templar - 700
Archon - 1400
Reaver - 800
Corsair - 700
Shuttle - 400
Scout - 1300
Arbiter - 2050
Carrier - 1900
Observer - 450
Dark Templar (Hero) - 400
Zeratul (Dark Templar) - 800
Tassadar/Zeratul (Archon) - 2800
Fenix (Zealot) - 400
Fenix (Dragoon) - 1000
Tassadar (Templar) - 1400
Mojo (Scout) - 2600
Warbringer (Reaver) - 1600
Gantrithor (Carrier) - 3800
Danimoth (Arbiter) - 4100
Aldaris (Templar) - 1400
Artanis (Scout) - 2400
Raszagal (Dark Templar) - 1300
Buildings:
Nexus - 1200
Robotics Facility - 900
Pylon - 150
Assimilator - 150
Observatory - 525
Gateway - 225
Photon Cannon - 300
Citadel of Adun - 600
Cybernetics Core - 300
Templar Archives - 750
Forge - 300
Stargate - 900
Fleet Beacon - 1050
Arbiter Tribunal - 1350
Robotics Support Bay - 375
Shield Battery - 150
Special Buildings:
Stasis Cell/Prison - 5000
Protoss Temple - 5000
Xel'Naga Temple - 5000
Warp Gate - 2000
NEUTRAL UNITS
Critters:
Rhynadon (Badlands) - 10
Bengalaas (Jungle) - 10
Scantid (Desert) - 10
Kakaru (Twilight) - 10
Ragnasaur (Ash World) - 10
Ursadon (Ice World) - 10
None.