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