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