A) transiton B) electron C) transfer D) directional E) proton
A) boron B) mercury C) gold D) lead E) tin
A) the boron family B) halogens C) actinides D) alkali metals E) the hydrogen group
A) rare earths B) common earths C) halogens D) noble gases E) iron triad
A) cobalt B) lead C) tin D) zinc E) platinum
A) the boron family B) lanthanides C) halogens D) noble gases E) actinides
A) group 2 B) group 16 C) group 1 D) group 15 E) group 14
A) H B) Hf C) h D) Hg E) He
A) chlorine B) salts C) helium D) sugars E) iodine
A) They have magnetic properties. B) They never rust. C) They glow in the dark. D) They are liquid metals. E) They are worth more money.
A) groups B) families C) triads D) metaloids E) periods |