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