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