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