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