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