radiOactive.

ahh..diS iS tHe Oni Place wHere i caN remEMber tHiNGs Better!!

raDiOactiVe IsotOPe:

NATURAL

1. kaliUm-40
2. uRane-238
3. toRii-232 (daMN i doN kno waT it IS in EnGlish)
4. rAdiuM-226
5. radiUm-228

ARTIFICIAL

1. iodiN-131
2. TeLLure-132 (da McM teLOr da)
3. SeziUm-134
4. SeziuM-137
5. stroNium-89
6. stroNium-90

SeziUM-137and StroniUM-90 --> NOrmalize iN fOOdS They coNtain in.

nAMe2 mNde alaH nih akU men hentaM jek..taH btoL KE TAK dlM inGlis Nye..huhu

p/s: My fren jUsT seNt thiS coPy of SinGapOrean ID card to me..wriTten There..BATMAN BIN SUPARMAN..deNGg..later...waT his kid SuppOsed tO be calleD? CICAKMAN BIN BATMAN lah kan??

chEErs..
.assaLamUalaikUm.