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