The best replacement for halides is halogens.

The best alternatives to halides are rated as following:
★★★★★  halogens
★★★  leds

Your alternative for halides is not listed? Suggest!
Speaking about halides, one probably shouldn't forget about silver nitrate.

Other search terms related to halides and their ratings are:
★★★★★ silver nitrate
★★ halogens
★ alcohols
★ halogens reactions
★ agno3
alkenes
You have in mind a companion for halides and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of halides in all years. Click on graph for more.
halides
halogens
leds