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