A) transfer B) transiton C) proton D) electron E) directional
A) tin B) boron C) gold D) mercury E) lead
A) alkali metals B) actinides C) the boron family D) the hydrogen group E) halogens
A) halogens B) iron triad C) rare earths D) noble gases E) common earths
A) zinc B) platinum C) tin D) lead E) cobalt
A) halogens B) noble gases C) lanthanides D) the boron family E) actinides
A) group 14 B) group 16 C) group 2 D) group 1 E) group 15
A) He B) H C) Hg D) Hf E) h
A) helium B) chlorine C) salts 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) metaloids B) periods C) triads D) families E) groups |