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