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