Tabii klorin çok zehirli olabilir.
- Of course chlorine can be very toxic.
İçme suyunda klor, kurşun ya da benzer kirletici madde bulunması mümkün.
- It's possible that the drinking water has chlorine, lead, or similar contaminants in it.
Flor, klor, brom, iyot ve astatin; halojenlerdir.
- Fluorine, chlorine, bromine, iodine and astatine are halogens.
Helyum, neon, argon, kripton, ksenon ve radon soy gazlardır.
- Helium, neon, argon, krypton, xenon and radon are noble gases.