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