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