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